Zyxel Devices Hit by Active Exploits Targeting CVE-2023-28771 Vulnerability

Zyxel users beware: A critical remote code execution flaw CVE-2023-28771 in Zyxel devices is under active exploitation by a Mirai-like botnet. GreyNoise observed a surge on June 16, targeting devices globally...

Massive 7.3 Tbps DDoS Attack Delivers 37.4 TB in 45 Seconds, Targeting Hosting Provider

Cloudflare on Thursday said it autonomously blocked the largest distributed denial-of-service DDoS attack ever recorded, which hit a peak of 7.3 terabits per second Tbps. The attack, which was detected in mid-May 2025, targeted an unnamed hosting provider. "Hosting providers and critical Internet...

Egyptian DDoS Campaign Observations

Between March 19 and March 25, 2019, there was a very large amount of DDoS traffic sourced from a specific Egyptian Autonomous System ASN directed at Akamai Prolexic customers. It's worth noting this is an ASN we rarely see in our pre-attack, or top source IPs during active attacks. When it showe...