Home Alarm Systems with 24/7 Patrol Response

Home Alarm Systems with 24/7 Patrol Response

Home Alarm Systems with 24/7 Patrol Response

Smart alarms that detect threats instantly and alert you before an intrusion to your home occurs.
Smart alarms that detect threats instantly and alert you before an intrusion to your home occurs.
Smart alarms that detect threats instantly and alert you before an intrusion to your home occurs.

Get a Free Same Day Quote

Get a Free Same Day Quote

Get a Free Same Day Quote

Get pricing in minutes. Smart alarm with optional monitoring, licensed installers & no obligation to buy.

Licensed. Insured. Certified.

Licensed. Insured. Certified.

Licensed. Insured. Certified.

Backed by a 24-month warranty and round-the-clock local support, Master Security brings proven credibility to every install - right from day one.

Backed by a 24-month warranty and round-the-clock local support, Master Security brings proven credibility to every install - right from day one.

Backed by a 24-month warranty and round-the-clock local support, Master Security brings proven credibility to every install - right from day one.

Protect your family with smart alarm systems designed for Sydney homes


A good alarm system is your family's first line of defense. Whether you're at work, on holiday, or sleeping peacefully at night, you deserve to know that your home and loved ones are protected by reliable, intelligent security.

We help Sydney families sleep better with modern alarm systems that are easy to use, smart enough to avoid false alarms, and connected to professional monitoring that responds when it matters.


Why Choose Master Security

The security specialists Sydney trusts for professional protection

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Professional Expertise with Personal Service

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Professional Expertise with Personal Service

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Professional Expertise with Personal Service

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Local Sydney Knowledge & Experience

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Local Sydney Knowledge & Experience

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Local Sydney Knowledge & Experience

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Quality Equipment & Installation Standards

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Quality Equipment & Installation Standards

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Quality Equipment & Installation Standards

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Honest Recommendations & Fair Pricing

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Honest Recommendations & Fair Pricing

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Honest Recommendations & Fair Pricing

How Our Alarm Systems Benefit Your Home

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Complete Mobile Control

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Complete Mobile Control

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Complete Mobile Control

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Pet-Immune Detectors

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Pet-Immune Detectors

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Pet-Immune Detectors

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Wireless Installation

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Wireless Installation

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Wireless Installation

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Reliable Power Backup

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Reliable Power Backup

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Reliable Power Backup

Testimonials

Testimonials

Testimonials

Here's what others are saying about Master Security

Here's what others are saying about Master Security

Here's what others are saying about Master Security

FAQs

FAQs

FAQs

Your Questions Answered

Your Questions Answered

Your Questions Answered

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Will the alarm work if someone cuts the phone line?

Yes, our systems use cellular communication that can't be cut or disabled from outside your home. Multiple backup communication methods ensure monitoring continues even during service outages.

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What about false alarms with our two cats?

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How do I give access to babysitters or cleaners?

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Do you provide free consultations and quotes?

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What's included in your installation service?

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Will the alarm work if someone cuts the phone line?

Yes, our systems use cellular communication that can't be cut or disabled from outside your home. Multiple backup communication methods ensure monitoring continues even during service outages.

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What about false alarms with our two cats?

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How do I give access to babysitters or cleaners?

Faq Icon

Do you provide free consultations and quotes?

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What's included in your installation service?

Faq Icon

Will the alarm work if someone cuts the phone line?

Yes, our systems use cellular communication that can't be cut or disabled from outside your home. Multiple backup communication methods ensure monitoring continues even during service outages.

Faq Icon

What about false alarms with our two cats?

Faq Icon

How do I give access to babysitters or cleaners?

Faq Icon

Do you provide free consultations and quotes?

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What's included in your installation service?

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Get a Free Same Day Quote

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Get a Free Same Day Quote

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Get a Free Same Day Quote