Network Security Solutions
A lot of network security I've inherited from other engagements is the product of ten years of incremental decisions: a firewall rule added for a one-off project that was never removed, a flat network where a compromised printer can reach the finance server, and monitoring that logs plenty of traffic but that nobody is actually watching in real time. None of that is a failure of any single decision. It's what happens when network security isn't revisited as a whole system.
Good network security isn't about buying the most expensive firewall on the market. It's about understanding how traffic actually needs to move through your environment, segmenting it so a compromise in one part doesn't give an attacker free rein everywhere, and having visibility that actually gets reviewed, not just logged.
How I work on this
I start by mapping your network as it actually exists, which is almost always different from the diagram in a shared drive that hasn't been updated since someone left the company. From there I look at segmentation: separating critical systems, like finance, PHI, or industrial control systems, from the general user network, so lateral movement after a breach is a lot harder than walking from a compromised laptop straight to a database.
I also clean up what's accumulated: firewall rules that no one can explain the purpose of, remote access paths that were set up for a contractor two years ago and never closed, and VPN configurations that are wider than they need to be. And I set up monitoring that's actually tuned to flag anomalies, not just generate logs that sit unread until someone needs them for an audit.
Who needs this
If your network has grown organically for years without a security-focused review, if you're not confident a compromise on one system would stay contained, or if you want an outside, unbiased look at your firewall rules and segmentation before an audit flags it for you, this is worth doing.
Reach out and let's take a real look at how your network is actually built.