But Cloudflare says it recently blocked a monumental DDoS attack which attempted to dump almost 38TB worth of data in just 45 seconds - making it the largest such attack in history. For comparison, ...

This denial of service on dialogue is not some noble or righteous crusade to save Bitcoin, it is an active attack on those economic actors and their ability to gain a better understanding to make ...

Cloudflare Inc., an American giant known for providing content delivery, network services, cybersecurity, and migrations, blocked the largest ever Distributed Denial-of-Service (DDoS) attack reaching ...

Europol dismantles NoName057(16), a Russian group behind DDoS attacks, arresting two and targeting over 1,000 supporters.

"Overall, in Q2 2025, hyper-volumetric DDoS attacks skyrocketed," Omer Yoachimik and Jorge Pacheco said. "Cloudflare blocked ...

Cloudflare blocked 7.3 million DDoS attacks in Q2 2025, a drop from Q1’s 20.5 million, but 44% higher YoY compared to Q2 2024. While network-layer attacks dropped 81% QoQ, HTTP attacks rose 9% from Q1 ...

Hackers are now attacking systems to carry out crypto mining activities, according to a report from researchers from cloud ...

Citrix warns that patching recently disclosed vulnerabilities that can be exploited to bypass authentication and launch ...

Many Citrix NetScaler systems are exposed to attacks exploiting the vulnerabilities tracked as CVE-2025-5777 and ...

Iranian state-sponsored or affiliated threat actors are expected to launch more distributed denial of service campaigns.