Beyond the Basics: Choosing the Right Firewall for a Modern Defense in Depth (DID) Strategy
- Mirai Systems
- Jan 30
- 2 min read
In an era where cyber threats are evolving faster than ever, relying on one-size-fits-all security solutions is a dangerous gamble. Firewalls remain a critical component of Defense in Depth (DID) strategies, but with so many types available, are you using the right one?
Today’s organizations need to layer security controls rather than replacing them. Firewalls should work in tandem with existing security tools, enhancing visibility, control, and response capabilities. In this post, we break down the different types of firewalls, helping CISOs, CIOs, and security leaders choose the right mix for their environments.
Firewalls: The First Line of Defense—But Not the Only One
Firewalls act as digital security checkpoints, filtering traffic and enforcing rules to prevent unauthorized access. But not all firewalls are created equal. Below, we explore the 5
key types and where they fit into a modern, layered security architecture.

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Legal Disclaimer
Hey, just a quick legal reality check! This post is for informational purposes only and should NOT be considered cybersecurity, legal, or compliance guidance. While we aim to provide accurate and up-to-date info, cybersecurity is a fast-moving field, and regulations vary. If you’re making security decisions, consult with licensed cybersecurity professionals, legal advisors, or compliance experts who understand your specific needs. Cybersecurity solutions and risk management strategies must be tailored to the unique needs of your organization. This blog is NOT a substitute for professional expertise, nor does it create any kind of legal or advisory relationship. Basically—don’t base your company’s security strategy solely on this post. You’ve been warned. 😉
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