Article

Hiding in Plain Sight – Cybercriminals Take Advantage of US Cloud Providers

March 13, 2025

One long-standing cybersecurity measure has been the ability to block malicious threats by Internet Protocol (“IP”) addresses. A public IP address is like your home’s street address on the Internet. It’s a unique number assigned to your internet connection by your service provider, allowing other devices and websites to find and communicate with you online.

Just like your home address lets mail reach your house, a public IP address helps websites, apps, and other online services know where to send data when you browse the internet.

System administrators and cybersecurity professionals used to spend countless hours updating block lists using the originating public IPs of ransomware attackers, spam and phishing senders, malicious websites, and sources of Denial of Service (“DoS”) attacks. Maintaining these lists quickly proved ineffective. Just as soon as an IP address was added, the attacks would continue from a new IP address — like an internet-based game of Whac-A-Mole.

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