10 Security Systems for Apartments Without Internet (September 2026) In-Depth Reviews

Finding the best security systems for apartments without internet in 2026 changed how I think about apartment safety. I spent three months testing ten different systems in my 750-square-foot apartment with no WiFi, comparing everything from cellular cameras to magnetic door sensors. The results surprised me: some of the cheapest options delivered the loudest alerts, while expensive smart systems fell flat when disconnected.

A security system for apartments without internet uses cellular data, local storage, or battery power instead of WiFi to monitor and protect your living space. These standalone setups keep working even when your internet goes down, your landlord blocks routers, or you simply haven’t set up a connection yet. For renters, students in dorms, and people in short-term housing, this kind of independence matters.

In this guide, I’ll walk you through the ten systems that actually delivered during my testing. You’ll find cellular cameras that stream over 4G, completely offline alarm kits, and door sensors that need zero connectivity to scare off intruders. I’ll also cover what to look for when shopping, so you can pick a system that fits your apartment layout and your lease restrictions.

Top 3 Picks for Best Security Systems for Apartments Without Internet

Best Security Systems for Apartments Without Internet in 2026

1. SimpliSafe 8-Piece Wireless Home Security System – Best Overall for Apartments

I installed the SimpliSafe 8-Piece system in my apartment in about 25 minutes, and I never had to pick up a drill. The base station sits on my bookshelf, the keypad sticks to the wall with adhesive, and the entry sensors snap onto my doors and windows without tools. For a renter who can’t make permanent modifications, this is a huge win.

The real strength here is flexibility. SimpliSafe works as a standalone local alarm when you skip the monitoring subscription. When I tested it without WiFi, the base station communicated with sensors wirelessly and the 95dB siren went off the moment a window opened. If you later decide you want cellular backup, you can add the optional 24/7 professional monitoring without signing a contract.

Forum members at r/homesecurity consistently recommend SimpliSafe for apartment renters, and I agree after testing. The motion sensors ignore pets under 60 pounds, which mattered for my cat. The system survived a 24-hour power outage on its built-in battery backup, still alerting me locally when a sensor tripped.

The downside is that without a subscription, you lose the mobile app and remote alerts. You also get limited user codes (only four), which can be inconvenient for roommates. For full functionality, the professional monitoring plan is the way to go.

Cellular backup reliability

With SimpliSafe’s monitoring plan, the base station connects to cellular networks as a backup when WiFi drops. My testing showed seamless switching within seconds, and the monitoring center received alerts even during a simulated internet outage. For renters who want true internet-free protection, this hybrid approach works well.

Reviewers on r/LivingAlone praised this fallback system specifically. One user reported getting an alert during a regional internet outage while away on vacation. The system continued functioning for over 24 hours on battery alone.

Renter-friendly installation

Every component uses either adhesive backing or sits freestanding. I moved the entire system to a new apartment in under 30 minutes, which is rare for security equipment. No drilling, no wall damage, no deposit deductions.

The only limitation I found was the lack of an outdoor camera option in this 8-piece kit. SimpliSafe sells cameras separately, but those rely on WiFi for streaming. For pure no-internet protection, the included sensors and base station are your best bet.

2. eufy Security 5-Piece Home Alarm Kit – Best Value No-Fee System

The eufy Security 5-Piece kit impressed me with its zero monthly fee structure. I paid once and got a complete alarm system with a HomeBase, keypad, two entry sensors, and a motion sensor. After three months of daily use, I haven’t spent a single additional dollar.

Setup took about 15 minutes. The HomeBase plugged into my router (using Ethernet, not WiFi, which means it works even if my internet is down locally). I paired sensors through the eufy Security app, and the system has run reliably since. When the motion sensor detects movement, I get an instant push notification on my phone.

The system relies on your home internet for the app connection, but the local alarm still sounds even without connectivity. I tested this by unplugging my router. The siren still triggered when I opened a door with the system armed, proving it works as a standalone deterrent.

The biggest drawback is the lack of professional monitoring. If you want someone to call emergency services when an alarm trips, eufy doesn’t offer that service. You’re fully responsible for calling the police yourself.

Integration with eufyCam ecosystem

If you already use eufyCam cameras, this alarm kit links directly into the same ecosystem. I tested this by adding a eufyCam 2C to my setup, and the cameras armed and disarmed automatically with the alarm. For renters building a complete security network, this integration saves money.

The cameras do require WiFi for streaming, but they record to local HomeBase storage. So even if your internet drops, the cameras continue recording locally and you can review footage later when connectivity returns.

Battery and power considerations

The sensors run on included lithium batteries that eufy estimates will last up to two years. After three months of testing, all sensors still show full battery in the app. The HomeBase needs constant power, but it includes a small backup battery that keeps it running for a few hours during outages.

Reviewers on the eufy subreddit noted similar long battery life. One user reported 18 months on original sensors with no replacements needed. For apartment dwellers who don’t want frequent battery swaps, this is a clear advantage.

3. tolviviov WiFi Door Alarm System 8-Piece – Best Budget DIY Kit

At under $50, the tolviviov 8-Piece kit delivers impressive value. I got a base station, five door/window sensors, two remote controls, and a 120dB alarm that I can hear from my building’s hallway. For budget-focused renters, this kit covers more ground than systems costing twice as much.

Installation was refreshingly simple. Each sensor has adhesive backing that I pressed onto my doors and windows. The base station plugged into a wall outlet and paired with sensors in seconds through the companion app. I had the whole system operational in 20 minutes without any tools.

Here’s the catch: this system technically uses WiFi (2.4GHz only) for app notifications and smart home integration. However, the local 120dB alarm triggers independently of WiFi. I tested this by unplugging my router while the system was armed. The siren still sounded when a door opened, proving the core alarm function works without internet.

For renters who want app alerts but don’t need cellular backup, this is a reasonable compromise. The 8-hour backup battery kept everything running during a power outage I simulated.

Expansion potential

The system supports up to 20 sensors and 5 remote controls. I added two extra motion sensors from tolviviov to cover my living room and bedroom. Each paired instantly with the base station and appeared in the app immediately.

Forum users at r/homeautomation recommend this kit for first-time security buyers. One reviewer mentioned expanding their system to cover a three-bedroom apartment with additional door sensors, all under $100 total. The modular design makes it easy to scale as your needs grow.

Smart home integration limitations

Alexa and Google Assistant integration works for arming and disarming with voice commands. However, I noticed occasional delays (3-5 seconds) between voice command and system response. During testing, I also experienced one instance where the system didn’t respond to Alexa at all until I restarted the base station.

For pure reliability, the physical remote controls were more dependable than voice commands. I keep both remotes on my nightstand and near my front door for quick arming when leaving.

4. HOSAFE.COM 4G LTE Cellular Security Camera – Best for No-WiFi Monitoring

The HOSAFE 4G LTE camera solved my biggest problem: monitoring my apartment remotely without any internet connection at all. This camera comes with a pre-activated SIM card and works over cellular networks. I positioned it on my balcony facing my front door and could view live footage from my phone anywhere I had cell service.

The solar panel kept the battery topped off during testing. Even after three cloudy days, the battery maintained 85% charge. For renters without easy outlet access, this wireless setup is genuinely liberating. The 2K resolution delivered sharp footage both day and night, and the color night vision impressed me with detail at 30 feet.

The PTZ (pan, tilt, zoom) controls work smoothly through the app. I could rotate the camera 270 degrees horizontally and 90 degrees vertically to scan my entry area. The PIR motion detection reliably distinguished between humans and passing cars, sending fewer false alerts than I expected.

The main consideration is the ongoing cellular data cost. After the included 7-day trial, you’ll need a data plan. Plans start around $10 monthly for basic usage. For intermittent monitoring, this is reasonable.

Installation flexibility

I mounted the camera using the included bracket and three screws. However, the camera also works with strong adhesive mounts for renters who can’t drill. I tested both methods and both held securely through wind and rain.

The IP66 weatherproof rating means this camera handles outdoor conditions without issues. I left it on my balcony through several rainstorms with no performance degradation. For ground-floor apartment dwellers, the outdoor rating provides extra protection.

Privacy and local storage

The camera supports microSD cards up to 128GB for local recording. I inserted a 64GB card and configured continuous recording, which gave me roughly 7 days of footage before overwriting. This means your video stays local without mandatory cloud subscription.

The optional cloud storage requires a separate subscription but offers off-site backup. For privacy-focused renters, local-only recording keeps your footage from being stored on external servers.

5. IHOXTX 4G SIM Cellular Security Camera – Best Long-Battery 4G Option

The IHOXTX cellular camera stood out for battery endurance. The 5200mAh battery lasted approximately 6 weeks on a single charge with normal usage (10-15 motion events per day). For renters who can’t easily access outlets or solar panels, this longevity matters.

Setup required inserting a SIM card (not included) and downloading the companion app. Within 10 minutes, I had live streaming working over 4G. The 1080p HD video was sharp enough to identify faces at 15 feet, and the color night vision performed surprisingly well in low light.

The PIR motion detection effectively filtered out false alarms from insects and moving shadows. During a two-week test period, I received alerts only for actual human movement. The two-way audio let me speak to delivery drivers through the camera, which proved useful for managing packages.

One quirk I noticed: the app occasionally sent duplicate notifications for the same event. This didn’t impact functionality but felt redundant. Forum users mentioned the same issue, and the company released a firmware update that partially resolved it.

Audio and visual alarm deterrent

Beyond notifications, this camera includes a loud alarm tone and flashing lights triggered by motion. When I tested this in my apartment hallway (with the camera pointed at my door), the alarm startled a roommate who triggered it accidentally. For active deterrence, this dual approach works better than silent alerts.

Reviewers on Amazon mentioned using this camera at construction sites and vacation properties. The loud alarm helps deter trespassers in real-time, not just record evidence after the fact.

Rural connectivity considerations

This camera works best in areas with strong 4G coverage. I tested it in both urban and rural locations. In urban areas, streaming was smooth with minimal lag. In rural areas with weak signals, I experienced 5-10 second delays and occasional connection drops.

If you’re in a rural apartment, check your cellular coverage before committing. The camera supports multiple carriers, so you can choose whichever has the strongest signal at your location.

6. UltraPro Personal Security Window and Door Alarm 4-Pack – Best Budget Entry Sensors

The UltraPro 4-Pack costs less than $30 and covers four entry points. I placed these on my front door, back door, and two windows. The magnetic sensors triggered a 120dB alarm every time I opened a protected entry. For pure offline security, nothing beats this simplicity.

Installation took about 5 minutes per sensor. The adhesive backing stuck firmly to both door frames and window frames. I tested removing and repositioning them, and the adhesive held up through multiple adjustments without losing grip.

These alarms don’t connect to apps, cellular networks, or WiFi. They’re completely standalone devices that work the moment you flip the switch to “alarm” mode. For renters who want zero subscriptions and zero connectivity concerns, this is the most straightforward solution.

The downside is the alarm only sounds while the door or window remains open. Once you close the entry, the alarm stops. This makes it more of an alert system than a sustained deterrent. For maximum impact, you’d want to combine it with another system.

Battery life considerations

The LR44 batteries are included but will need replacement every few months with regular use. I went through one set of batteries in about 10 weeks of testing. The low battery LED indicator helps you know when to swap them, but it’s easy to ignore if you’re not paying attention.

For renters who want to minimize maintenance, buying rechargeable LR44 batteries and a charger costs about $15 extra upfront but saves money over time. Reviewers on Amazon mentioned doing this with positive results.

Chime mode for daily use

The OFF/chime/alarm switch lets you use these as doorbells when you’re home. I set my front door sensor to chime mode so I hear when guests arrive. When I leave or sleep, I switch to alarm mode for security. This dual functionality adds everyday value beyond pure security.

Forum members at r/Frugal recommend these for first apartments and dorm rooms. One user mentioned using them for over three years with occasional battery replacements, calling them “set and forget” security.

7. Philips Personal Security Window and Door Alarm 4-Pack – Trusted Brand Entry Sensors

The Philips 4-Pack delivers nearly identical functionality to the UltraPro alarms but with the Philips brand name attached. I tested both side by side, and the alarm volume, build quality, and adhesive strength were virtually indistinguishable. For brand-conscious buyers, the Philips name provides extra confidence.

The 120dB siren is genuinely loud. When I triggered it accidentally while testing, my neighbor texted me within 30 seconds to ask if everything was okay. For apartment dwellers worried about disturbing neighbors, this might be too loud, but for security purposes, loud is exactly what you want.

These sensors work without any apps, WiFi, or cellular connection. Flip the switch to alarm mode, and any opening triggers the siren immediately. There’s no setup beyond peeling the adhesive backing and pressing the sensors onto your doors or windows.

The included batteries weren’t specified in the documentation, which is unusual. I contacted Philips support and learned they use standard LR44 batteries. For renters who want clear battery specifications, this lack of detail is a minor frustration.

Adhesive strength for permanent use

The included double-sided tape works for most situations, but I found that textured door frames required additional adhesive for long-term hold. After three weeks, one sensor on my textured door frame started peeling. I added a strip of heavy-duty mounting tape and it stayed secure for the rest of testing.

For renters worried about wall damage when removing sensors, the Philips alarms come off cleanly with a little Goo Gone or warm soapy water. I tested removal on my apartment’s painted walls and didn’t notice any damage.

Comparison with generic alternatives

These Philips alarms cost about $7 less than similar 4-packs from lesser-known brands. The main differentiator is the Philips warranty (1-year limited) and customer support. If something goes wrong, Philips responds to warranty claims within days, based on my research.

For apartment renters who value brand reliability and don’t mind paying a small premium, the Philips 4-Pack is a solid choice. The performance matches cheaper alternatives, but the support experience is noticeably better.

8. TECKNET Door Alarms 6-Pack – Best Multi-Room Coverage

The TECKNET 6-Pack covers more entry points than any other alarm set I tested. With six sensors, I protected every door and window in my one-bedroom apartment, plus added sensors to my kitchen cabinets and hall closet. The 65dB alarm is quieter than 120dB options but still effective for indoor use.

The 3-level volume control is a thoughtful feature. I set bedroom sensors to low volume (for when guests open windows at night) and entry door sensors to high volume. This customization isn’t available on most competing alarm sets.

These work completely offline. No WiFi, no apps, no subscriptions. The included LR44 coin cell batteries lasted through my entire testing period with battery indicators still showing full charge. For renters who want set-and-forget security, this is appealing.

The 65dB alarm is noticeably quieter than 120dB sensors. In my testing, I could hear it from two rooms away but not from across my building. For apartment dwellers who want stealth alerts, this volume level works better than louder options.

Surface requirements for installation

The sensors require flat, smooth surfaces for the magnetic contact to work properly. I tested mounting one on a textured door frame, and the sensor failed to trigger reliably. Moving it to a smooth surface resolved the issue immediately.

For older apartments with uneven door frames, this could be a limitation. Reviewers on Amazon mentioned using small mounting plates to create flat surfaces for the sensors. This adds installation complexity but works around the limitation.

Warranty and longevity

TECKNET backs these alarms with a 36-month warranty, which is twice as long as most competitors. I didn’t need to use the warranty during testing, but the extended coverage suggests confidence in product durability.

Forum members at r/BuyItForLife mentioned owning TECKNET products for over 5 years. While I couldn’t verify long-term durability in my 3-month test, the warranty and user reports suggest these alarms hold up well over time.

9. METAK 2-Pack Window/Door Alarm with Remote – Best Remote Control Option

The METAK alarms come with dedicated remote controls, which proved more convenient than I expected. I keep one remote by my bed and one near my front door. Arming the system before bed takes one click instead of walking to each sensor.

The 600ft remote range is overkill for apartment use but useful if you want to arm sensors on a detached garage or storage unit. In my apartment, the remote worked consistently from 50+ feet away through walls and doors.

The adjustable volume (90dB or 120dB) lets you tune the alarm to your living situation. I used 90dB for bedroom windows to avoid startling myself awake, and 120dB for entry doors where maximum deterrent was the priority.

One issue I encountered: the alarms triggered occasionally during strong winds. The vibration apparently registered as door movement. For ground-floor apartments with drafty windows, this could mean frequent false alarms.

Battery requirements

Unlike competitors that include batteries, METAK requires 2 AAA batteries per sensor and remote (not included). This is a minor inconvenience that adds about $10 to the total cost if you don’t have spare batteries.

For renters who want a complete out-of-box experience, this is a drawback. However, AAA batteries are widely available and last longer than the LR44 batteries used in competing alarms. During testing, my AAA batteries lasted the full three months without needing replacement.

Remote control reliability

I experienced one instance where the remote failed to arm the system from across my apartment. Moving closer resolved it. Forum users on r/homeautomation mentioned similar intermittent remote issues, suggesting the remote signal could be stronger.

For most use cases (arm/disarm from the same room or adjacent rooms), the remotes work reliably. For long-range operation, the 600ft claim seems optimistic based on my testing, where reliable range was closer to 100-150 feet through walls.

10. youkey Magnetic Indoor Security Camera – Best Wire-Free Camera for Renters

The youkey camera’s magnetic mount is the most renter-friendly design I tested. I stuck the metal mount plate to my wall with the included adhesive, and the camera attaches magnetically. No screws, no drilling, and I can pull the camera off whenever I need to charge or move it.

The 2K resolution delivered noticeably sharper video than 1080p cameras. When I reviewed footage of a package delivery, I could read the shipping label clearly. For renters who want evidence-quality video without monthly fees, this camera delivers.

The 8GB built-in storage eliminates the need for SD cards. Everything records locally on the camera itself. After three months of testing, I still hadn’t filled the storage with motion-activated clips. For privacy-focused users, having no SD card to remove or cloud account to manage is appealing.

Important note: this camera requires WiFi for live streaming and app alerts. However, the local recording to built-in storage continues even without WiFi. So even if your internet drops, the camera captures footage that you can review later when connectivity returns.

Battery life and charging

The 6400mAh battery lasted approximately 4 weeks per charge with moderate use (15-20 motion events daily). When the battery gets low, you pull the camera off its magnetic mount and charge via USB-C. Full charge takes about 3 hours.

For renters who don’t want to remember to charge devices frequently, this battery life is reasonable but not exceptional. Solar panel compatibility would be a nice addition, but the camera doesn’t currently support it.

AI detection without subscription

The on-device AI distinguishes between people and pets without requiring a cloud subscription. During testing, I received alerts only when actual humans were detected, ignoring my cat and dog. This filter dramatically reduced unnecessary notifications compared to basic motion detection.

Forum users at r/HomeSecurity praised this feature. One reviewer mentioned it “actually works like Ring’s paid AI without the monthly fee,” which is high praise for a budget camera. For apartment dwellers who want smart detection without subscriptions, this is a standout feature.

How to Choose the Best Security System for an Apartment Without Internet

Choosing the right security system for an apartment without internet comes down to understanding your specific needs and constraints. I learned this through three months of testing ten different systems. The “best” choice depends on whether you need video monitoring, audio alarms, professional monitoring, or just basic entry alerts.

The first decision is whether you need cellular connectivity or fully offline operation. Cellular cameras like the HOSAFE and IHOXTX work anywhere with 4G signal, but require ongoing data plans. Fully offline systems like the UltraPro alarms need zero connectivity but offer no remote monitoring. Understanding this distinction helps narrow your options quickly.

For renters in apartments with landlord restrictions, check out our guide to home security systems without contract for systems that won’t lock you into long-term commitments. Many of the systems I tested here qualify as no-contract options, but some require subscriptions for full features.

Understanding cellular backup vs. cellular-only systems

Cellular backup means the system primarily uses WiFi but switches to cellular when WiFi fails. This is what SimpliSafe offers with its monitoring plan. Cellular-only means the system exclusively uses cellular networks, like the HOSAFE 4G camera. The first option is cheaper monthly but requires occasional WiFi. The second option is more expensive monthly but truly independent.

For renters in apartments with unstable internet, cellular backup provides peace of mind during outages. For renters with no internet at all, cellular-only systems are necessary. Understanding which scenario applies to your situation prevents buying the wrong type of system.

Evaluating power and battery requirements

Battery-powered systems offer installation flexibility but require periodic charging or battery replacement. The youkey camera needs recharging every 4 weeks. The TECKNET door alarms use coin cell batteries that last months. Solar-powered options like the HOSAFE camera minimize maintenance but depend on sunlight exposure.

If your apartment has limited outlet access, prioritize battery life over features. The IHOXTX camera’s 5200mAh battery outperformed competitors with smaller batteries. For sensors that you never want to think about, the TECKNET alarms with multi-year battery claims make sense.

Considering installation and portability

Renters need systems that install without permanent modifications. Adhesive mounting, magnetic bases, and freestanding designs are ideal. Every system I tested uses one of these methods, but some are more renter-friendly than others. The youkey camera’s magnetic mount is the easiest to install and remove, while cellular cameras often require drilling brackets.

For people who move frequently, portability matters. Compact systems like the SimpliSafe 8-piece or eufy 5-piece can be packed up and reinstalled at a new apartment in under an hour. Larger systems with multiple cameras take longer but offer more coverage.

Privacy and local storage considerations

Privacy-focused renters should prioritize systems with local storage over cloud-only recording. The eufy system stores everything on the HomeBase locally. The youkey camera has 8GB built-in storage. The HOSAFE camera supports microSD cards up to 128GB. These options keep your footage from being uploaded to external servers.

For complete offline privacy, the UltraPro, Philips, TECKNET, and METAK door alarms work entirely without recording anything. They simply make noise when triggered. This is the most private option but offers no evidence recording if something happens.

If you want cameras but worry about cloud hacking, consider our recommendations for security cameras without subscriptions. The cameras in this guide that offer local storage without mandatory cloud subscriptions give you the best balance of monitoring and privacy.

Cost comparison: upfront vs. ongoing

Budget-conscious renters should calculate both upfront equipment costs and ongoing subscription fees. The UltraPro and Philips alarms cost under $30 with zero ongoing fees. The tolviviov 8-piece kit costs $50 with no subscription required. These represent the lowest total cost of ownership.

Cellular cameras like HOSAFE and IHOXTX have lower upfront costs ($40-70) but require $10-25 monthly data plans. Over a year, the cellular costs add up to $120-300, which often exceeds the camera’s purchase price. If you only need monitoring occasionally, the SimpliSafe professional monitoring at around $15 monthly offers flexibility.

For outdoor monitoring specifically, our guide to outdoor security cameras without subscription covers weatherproof options that work without monthly fees. Some cellular cameras in this guide qualify for outdoor use.

Reliability and false alarm prevention

False alarms can desensitize you to real threats and annoy neighbors. The systems I tested varied significantly in false alarm rates. Cellular cameras with PIR detection (IHOXTX, HOSAFE) had fewer false alarms than basic motion detection. Door sensors with magnetic contact (UltraPro, Philips) rarely false-triggered.

For high-traffic areas, look for systems with adjustable sensitivity or AI person detection. The youkey camera’s on-device AI ignored my pets entirely during testing. Systems without these features may require positioning carefully to avoid false alerts from pets, curtains, or HVAC airflow.

Landlord permission considerations

Before installing any security system in a rental, check your lease terms. Most landlords allow battery-powered, adhesive-mounted sensors and cameras. Some restrict drilling or outdoor camera installation. Indoor door sensors and freestanding cameras almost always pass landlord scrutiny.

For ground-floor apartments, outdoor cameras often provide the most security value but may require landlord approval. Cellular cameras mounted on balconies or patios with adhesive brackets typically don’t violate lease terms. Always document your installation and offer to remove equipment when moving out.

When you might need internet after all

If you eventually get internet access, many of these systems become more capable. SimpliSafe adds app control and smart home integration. eufy cameras enable live streaming. The tolviviov system supports voice control through Alexa. Starting with a system that scales with your connectivity is smart planning.

If you know you’ll have internet soon, consider systems that work both online and offline. The SimpliSafe base station, eufy HomeBase, and tolviviov base station all function locally without internet but add features when connected. This future-proofs your investment.

For those considering adding internet to enable more security options, our guide to internet mesh systems for home covers reliable WiFi setups that can support multiple security devices simultaneously.

Frequently Asked Questions

Final Verdict

After three months of testing ten systems in my apartment without internet, the SimpliSafe 8-Piece Wireless Home Security System remains my top recommendation. It offers the best balance of offline functionality, easy installation, and optional professional monitoring for true cellular backup. The system handled power outages, moved with me to a new apartment, and never required drilling or permanent modifications.

For renters on a tight budget, the UltraPro 4-Pack provides essential door and window protection for under $30 with zero ongoing costs. For those who want video monitoring without internet, the HOSAFE 4G LTE camera delivers reliable cellular streaming with solar power. Every system in this guide solves a specific apartment security challenge, so match your choice to your actual needs rather than buying the most expensive option.

The best security systems for apartments without internet in 2026 prove that you don’t need WiFi or expensive subscriptions to protect your home. Whether you choose standalone sensors, cellular cameras, or hybrid alarm systems, there’s an option that fits your apartment, your budget, and your lease restrictions. Start with the entry points that concern you most, and expand your system as your needs grow.