Cybersecurity 101 - What Is Defense-In-Depth?

 

Defense-in-depth is the term that we use to describe a strategy of defense that assumes attackers will evade or bypass some of the security mechanisms put in place to stop them. Attackers are clever human beings, and when they encounter impediments to their work trying to break into a network, they sometimes find ways to get around those.

That's why it's important not just to have one layer of protection or one layer of defenses protecting your sensitive data. It's important that if attackers get past, let's say, a password in order to log in remotely, that they don't then have free range to do anything they want on the network.

Therefore, the defenses that you put in place should assume if an attacker is gotten past one point of defense, that there is something else to catch them.

One of those pieces of defense-in-depth that's very important, is someone monitoring your logs to make sure that if an attacker does get through, anything that they do after that in terms of trying to gain access to other systems, elevate their privileges by getting an administrator account, or running unusual scripts or programs, gets detected by an analyst and responded to in a timely manner to keep that attacker from doing any more harm.

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10 Steps To Cybersecurity Every Business Should Implement

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What Are The Major Components Of A Cybersecurity Framework?

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What Are The Most Critical Components Of A Cybersecurity Strategy?

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How Do You Get A Better Cybersecurity System?

 

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Do You Understand The Concept Of Cybersecurity?

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Cybersecurity Risks To Your Organization Are Primarily Made Up Of 2 Groups

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15 Ways To Protect Your Business From A Cyberattack

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A Cybersecurity Action List Every Organization Should Follow

 

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The 7 Layers Of Cybersecurity

 

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A Birdseye View Of The Defense-In-Depth Structure Of Cybersecurity

 

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Defense-In-Depth - A Layered Cybersecurity Defense Framework

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360 Degrees Of Cybersecurity

 

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The Cybersecurity Roadmap EVERY Organization Should Follow

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The Periodic Table Of Cybersecurity...The Elements That Make Up The World Of The Cybersecurity Professional

 

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6 Facts About Zero Trust Network Access (ZTNA)

 

n this 1-minute video you will find 6 FACTS about ZTNA (ZERO TRUST NETWORK ACCESS) that every CIO, CISO, IT Director, Network Manager/Administrator, and Network/Security Engineer should know.

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It's as easy as 1, 2, 3.

How To Detect An Insider Cybersecurity Threat (INFOGRAPHIC)

 

10 Tips To Secure Your Business From Insider Cybersecurity Threats (INFOGRAPHIC)

 

The Top 10 Emerging Cybersecurity Threats For 2030 (INFOGRAPHIC)

 

Deep Dive Into Defense-In-Depth As A Cybersecurity Strategy

 

Defense-in-depth is a popular security strategy that places the applications and data (or groups of applications and data) that inhabit an architecture into designated security layers. This holistic approach aims to layer defenses across all possible areas of vulnerability, offering not just one but multiple levels of protection. Let's break it down!

Data: Starting with the most critical, we aim to protect the data itself through encryption, access controls, and data loss prevention techniques.

Application: Next, we secure the applications handling data. This includes secure coding practices, regular vulnerability scanning, and patch management.

Host: This layer focuses on securing individual user devices with antivirus software, personal firewalls, and strict access controls.

Internal Network: Here, we employ network segmentation and internal firewalls, limiting lateral movement in the event of a breach.

Perimeter: The outer shell of our digital fortress where we implement network-level defenses such as external firewalls, intrusion detection systems, and secure gateways.

Physical: Often overlooked but no less critical - securing physical access to devices and servers is a must.

Policies, Procedures & Awareness: The human factor - often the weakest link! Here we use education, training, clear policies, and procedures to strengthen our human firewall.

These layers interweave to create a multi-faceted, robust defense strategy. But remember, no castle was ever impregnable! Constant vigilance, regular updates, and evolution in line with emerging threats are vital to maintaining security.