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Latest Comment: Lifeguard: [ waving naval flags ] Slide back to the firewall! You are blocking the ports! Repeat! You are blocking the bubble ...
7 Threats & Disruptive Forces Changing the Face of CybersecurityThis Dark Reading Tech Digest gives an in-depth look at the biggest emerging threats and disruptive forces that are changing the face of cybersecurity today.
The State of IT Operations and Cybersecurity Operations
Your enterprise's cyber risk may depend upon the relationship between the IT team and the security team. Here’s some insight on what's working – and what isn't – in the data center.
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User Rank: Strategist
1/30/2019 | 3:40:31 PM
It may be fashionable to claim there is no longer a network perimeter but I still strongly favor using the border router as a "garbage filter".
The BOGONs list? - Drop them all. Invalid TCP flag combinations - Drop. No Telnet in your environment? No FTP? No RDP? - Block them all at the border router.
As mentioned in the post, the NGFW should take care of the deep packet inspection for only the traffic you potentially want inside your network. That firewall should see very little traffic except for the known IPs, ports and protocols which are candidates to be allowed all the way in.
And an outbound ACL (a.k.a. egress filtering) is a very powerful weapon against data exfiltration and many types of malware. You may still have a Trojan but if it can't phone home......