Melbourne's Systems Installer Since 2006 Alarm Systems

Trusted in Melbourne for over 15 years, we’ve completed over 20,000 alarm system & security camera installation jobs for residential, business & commercial clients.

We’ve seen it all and done it all in that time, so if you’re looking for high-quality, affordable home & business video alarm systems, you’re in the right place!

  • Alarm Systems For Home & Multifamily Buildings

  • Business, Commercial & Enterprise Alarms

  • Security sensors for every sensor points

Book a free site inspection today!

Protect What Matters Most Melbourne Alarm Systems To Protect Your Home, Business, Valuables & Loved Ones

Defend Security Group’s alarm and security systems don't just record crime, they help prevent it. Alarms are an important component in keeping your house and premises safe. We offer both wireless and wired alarm systems catered to user needs for every possible scenario. With over 15 years of industry experience, we offer the best in alarm, custom camera & CCTV installations.

We understand you need a security solution to help protect you and your valuables against burglars and intruders. Our team of security advisors are all fully licensed, Police checked, hold relevant cabling licenses, product endorsements, Working with Children checks and all other workplaces applicable licensing. Your safety and security is our business!

Always be aware and react faster with Alarm Systems to take immediate action. Melbourne, Victoria

We only work with & install the best alarm brands

20,000 Installed Alarms & Security Systems Since 2006 Alarm Systems Done Right in Melbourne, Victoria

See what people say about our alarm solutions...

Tracey Wong
Tracey Wong
23:48 22 Jan 24
Pryce was punctual and helped us with our security alarm. He was super knowledgeable and educated us about our alarm. He also gave us tips in general which we highly appreciate. Thanks for your services. Highly recommend.
Robert Drew
Robert Drew
04:15 13 Jan 24
Pryce attended on-site and resolved an intercom issue in 30mins that my electrician and offsider couldn’t resolve in over 3 hours. Highly recommend these guys as experts and get the job done efficiently.
Brett Iliff
Brett Iliff
08:34 07 Nov 23
Thank you to Pryce from Defend Security Group, Pryce is reliable, honest & operates with integrity.He delivered an outstanding system at our residential address. I would highly recommend Pryce.
Ben Cornelius
Ben Cornelius
22:44 08 Sep 23
Excellent service, advice and expertise.Pryce was extremely helpful, knowledgeable and did a great job installing our security cameras and intercom system.Highly recommended!!
Allan Brown
Allan Brown
01:17 07 Jul 23
Excellent experience turned up when he said he would,workmanship excellent, product knowledge top notch,carefully explained ins & outs of the systemhave used some of the bigger security firms in the past but you can`t beat the personal touch
Saint Paul's Boronia
Saint Paul's Boronia
00:11 26 Jun 23
Excellent communication, professional and so good to deal with. Thank you Pryce.
damian breed
damian breed
08:06 24 May 23
I would highly recommend Defend Security Group. They offer prompt, reliable and friendly service. We have known Pryce for several years and he provides an all round impressive service. We have also recommended his service to family and friends many times.
sanjona takkar
sanjona takkar
13:29 16 May 23
Pryce was very efficient and accommodating and did a great job installing a new security system for us.Highly recommend Defend Security Group 👍
Jessica Moyle
Jessica Moyle
02:16 04 May 23
Pryce went above and beyond to get the system installed. His communication was excellent. Very reliable and on time. He spent time teaching me how to use the system. I would highly recommend his services to anyone in need of a security system.
Max Lew
Max Lew
08:54 20 Apr 23
I have found Pryce to be very efficient very professional very knowledgeable but most importantly very honest.I would recommend him and his Company to anyone.
Jeff Ye
Jeff Ye
00:07 17 Apr 23
Pryce is a reasonable person with professional experience. While installing the lens, he also solved the remaining problems of the security system. His excellent service should be recommended by the community.
Richard Claxton
Richard Claxton
01:20 20 Mar 23
I recently needed to find a new security consultant to replace my previous one which went into liquidation. Pryce was recommended to me and was able to provide the advice and practical solution that I was looking for. I'm very happy with the reliable service and professionalism that he's provided. I highly recommend DSG.
Jose Calix Ibarra
Jose Calix Ibarra
08:02 18 Feb 23
We recently renovated a Mansion in Toorak for some high profile clients who wanted a state of the art security system through out their home. Pryce, from Defend Security Group, was very easily do deal with, very profesional and managed to get things done for us in a quick turn around time during a really busy period. 5/5
Chris Romano
Chris Romano
08:37 17 Feb 23
Fantastic service by Pryce. Came on time, was efficient, helpful and friendly. Would recommend!
Adam Joyce
Adam Joyce
09:24 30 Jan 23
Pryce is a reliable, knowledgeable and great value. Couldn't recommend more highly!
Philip Davis
Philip Davis
22:13 26 Dec 22
We were thrilled with the experience with Pryce and Defend Security Group. We were not quite sure what capabilities we wanted and from initial consultation through to final installation Pryce was knowledgeable, friendly and incredibly responsive. We highly recommend DSG
David Byrne
David Byrne
06:01 19 Oct 22
Great service. Open, clear and honest advice. Highly recommended.
Paul David Postema
Paul David Postema
07:54 14 Oct 22
most impressed by the prompt response and the service i encountered recently, no hesitation to recommend defend security group
Dave Hardy
Dave Hardy
23:01 06 Sep 22
Great experience with Defend Security Group. Clear communication. Prompt responses to questions. Competitive value. Excellent service. Happy to recommend. Will be first choice again next time.
Simon Boeyen
Simon Boeyen
05:15 24 Aug 22
I would highly recommend the service we received from DSG. Pryce replied promptly to my request for a quote and was very helpful in sorting out the equipment needed.He was punctual and was easy to communicate with.His pricing was fair and we ( the O.C.) are pleased with the completed job.
Peter O'Bree
Peter O'Bree
09:46 01 Aug 22
I highly recommend you use this company for security installation based on my experience with Pryce today. Punctual, efficient, approachable with questions and was able to clearly explain the workings of our system. From inspection, quoting, scheduling to installation and follow up the service was excellent.
Sue Dick
Sue Dick
06:01 21 Apr 22
Thanks Pryce. You fixed our phone issue, inspected our cameras, made a recommendation and gave us a fair quote without any pressure. We went ahead and had 2 cameras replaced and the new ones are perfect. Highly recommend DSG very professional and caring. Nothing was too much trouble. Thank you.
Davide De Vellis
Davide De Vellis
10:12 28 Mar 22
Thoroughly recommend DFS. Pryce was awesome to deal with, incredibly accommodating to an issue that needed a timely resolution. Cannot recommend these guys enough.
Jess Smith
Jess Smith
02:20 11 Mar 22
Could not be happier with the service from Pryce. Responded to emails right away and had fixed our issue the following day. Thanks so much Pryce. - Seahaven Private
Angelo
Angelo
05:01 12 Sep 21
The team at Defend Security have been instrumental in protecting our customer information and we are extremely happy with the installation of the Business CCTV and Alarm that was set up in our office, their service is truly second to none, highly recommended, professional and friendly, AAA+++
Pete Jenkins
Pete Jenkins
09:52 09 Sep 21
Very pleased with service. Delivered what was promised. Thank you
Julie Marston
Julie Marston
05:11 08 Jun 21
Honest, trustworthy and very professional. Highly recommend
Next Reviews

Alarm Sensors on doorways, hallways, walkways, your way. Melbourne, Victoria

Intruder Detection

Our alarm systems provide you with the latest security technology to protect your home from intruders. Defend Security Group understand that all homes have different needs and requirements for their security and as such conducts a FREE in home professional security assessment.

Our suite of intruder detection products allows DSG to protect your home from unwanted intruders. We have products that protect entry points to your home i.e. doors and windows and we have products to monitor and protect the inside of your home. Our product range includes passive infrared detectors (PIRs or Motion detectors), door and window sensors and breaks glass detectors.

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honeywell smoke alarm

Smoke & Heat Detection

Our systems can integrate with smoke and heat detectors to offer an extra layer of protection to your home and family. Our smoke detectors are active 24/7, so whether your alarm system is armed or not, you can rest assured knowing the smoke detector is always on to help you and your family in the event of an emergency. If smoke or heat are detected in your home, you can receive notifications directly on your phone and take immediate action.

Duress Alarms

A Defend Security Group our home security system products have a duress alarm button to help protect you and your family. In the event of this being activated, relevant authorities can be notified and help on the way.

How our security systems work.

camera detects motion

Detections

Detect motion when people come to your property.

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Notifications

Receive notifications and check-in on home or business anytime.

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Action

See, hear, and speak to visitors in real time from anywhere.

Play Video
Play Video
  • Defend Security Group ok

    Apartment Intercoms

  • Defend Security Group ok

    Bullet CCTV Cameras

  • Defend Security Group ok

    Medical CCTV Systems

  • Defend Security Group ok

    Automated Gates

  • Defend Security Group ok

    Dome Security Solutions

  • Defend Security Group ok

    Turret CCTV Cameras

  • Defend Security Group ok

    Access Keypads

  • Defend Security Group ok

    Night Vision Cameras

  • Defend Security Group ok

    Warehouse CCTV

  • Defend Security Group ok

    Electric Entry Locks

  • Defend Security Group ok

    Office Security Systems

  • Defend Security Group ok

    Network Recorders

  • Defend Security Group ok

    Wide Area Alert Systems

  • Defend Security Group ok

    Infrared Cameras

  • Defend Security Group ok

    Number Plate Recognition

  • Defend Security Group ok

    Teardrop Sirens

  • Defend Security Group ok

    Covert CCTV Installation

  • Defend Security Group ok

    Intruder Alert Technology

HIGH QUALITY, RELIABLE ALARMS Protect your home & business with a professional security system

Fully licensed and up-to-date with all the latest products and technologies. We offer expert business security systems advice.

Defend Security Group is a fully insured security company. Our technicians are industry leaders and experts within their field.

Frequently Asked Questions

How does a security alarm work?

Alarm Systems work by sending out signals to a central monitoring station when sensors are faulted. ... Sensors can be hardwired into a security system, or they can communicate wirelessly through the use of a wireless receiver. When a sensor is activated or faulted, it sends an alert to the alarm control panel.

Are security alarms effective?

Have you ever wondered whether security systems are actually effective in preventing crime? The short answer is yes. Studies have shown that simply by having a security system, your home is much less likely to be targeted by burglars and thieves in the first place.

Do alarms deter burglars?

According to the research, the answer is a resounding “Yes.” Studies have been conducted on the effect of the presence of a home security system. The results are in: as much as 60% of burglars casing a potential target would indeed be deterred by an alarm system.

Why do security alarms go off for no reason?

dead battery in one of your components creates a gap in your home security system. Some systems will react to that by setting off an alarm, alerting you to potential problems. Other home security components may sound an alarm when the battery gets low. This is the case for some fire alarms.

What should I look for when buying a house alarm?

Key features to consider when purchasing a home security system include wireless vs. wired home security monitoring, the security of the system itself (whether it's vulnerable to hackers), and the cost.

What are the different types of alarm systems?

What Are the Different Types of Home Alarm Systems?
  • Electric Current Alarm System. ...
  • Wired Alarm System. ...
  • Wireless Home Alarm System. ...
  • Unmonitored Home Alarm System. ...
  • Monitored Home Alarm System.

Home, Commercial & Business Security System Specialist in Melbourne 24/7 Professional Security Surveillance Solutions

Defend Security Group supplies and installs CCTV Security Cameras, Access Control Systems, Intercom Systems to your business or commercial premises. Contact us today to arrange a free site assessment

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CCTV Security Cameras

Protect what matters most with top of the line, affordable security cameras & installation. Get peace of mind and protect your home, business or commercial space 24/7.

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Intercoms & Access Control

Video intercom & touchless access solutions for home & business. Improve operational efficiency and staff productivity, and increase physical and data security.

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Alarm Systems

Protect your Home & Business from Intruders and Burglars? You are just one click away from getting peace of mind by installing a cost-effective alarm system.

Book a free site assessment

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