Cloudflare blocks another largest recorded DDoS attack – this time, peaking at 11.5 Tbps


Internet infrastructure provider and global cloud platform, Cloudflare, recently prevented a record-breaking Distributed Denial of Service (DDoS) attack from causing any damage.

In a short announcement published on X, Cloudflare said its defenses “have been working overtime” over the past few weeks, autonomously blocking “hundreds of hyper-volumetric DDoS attacks.” Among them was an attack that reached peaks of 5.1 Bpps and 11.5 Tbps. Bpps (Billions of Packets per Second) measures the rate of packets sent to the target and indicates how fast the attacker is overwhelming network devices.

Read more…
Source: TechRadar News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor

    July 16, 2025

    Google Threat Intelligence Group (GTIG) has identified an ongoing campaign by a suspected financially-motivated threat actor we track as UNC6148, targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances. GTIG assesses with high confidence that UNC6148 is leveraging credentials and one-time password (OTP) seeds stolen during previous intrusions, allowing them to regain access ...

  • Phish and Chips: China-Aligned Espionage Actors Ramp Up Taiwan Semiconductor Industry Targeting

    July 16, 2025

    Analyst note: Proofpoint uses the UNK_ designator to define clusters of activity that are still developing and have not been observed for long enough to receive a numerical TA designation. China-aligned threat actors have routinely targeted the semiconductor industry for many years. This activity likely aligns with China’s internal strategic economic priorities, which have increasingly emphasized ...

  • Global operation targets NoName057(16) pro-Russian cybercrime network

    July 16, 2025

    Between 14 and 17 July, a joint international operation, known as Eastwood and coordinated by Europol and Eurojust, targeted the cybercrime network NoName057(16). Law enforcement and judicial authorities from Czechia, France, Finland, Germany, Italy, Lithuania, Poland, Spain, Sweden, Switzerland, the Netherlands and the United States took simultaneous actions against offenders and infrastructure belonging to the pro-Russian ...

  • Behind the Clouds: Attackers Targeting Governments in Southeast Asia Implement Novel Covert C2 Communication

    July 14, 2025

    Since late 2024, Unit 42 researchers have been tracking a cluster of suspicious activity as CL-STA-1020, targeting governmental entities in Southeast Asia. The threat actors behind this cluster of activity have been collecting sensitive information from government agencies, including information about recent tariffs and trade disputes. This campaign is particularly noteworthy due to its novel tradecraft. ...

  • Episource is notifying millions of people that their health data was stolen

    July 14, 2025

    Medical billing giant Episource is notifying millions of people across the United States that their personal and health information was stolen in a cyberattack earlier this year. The breach affects more than 5.4 million people, according to a listing with the U.S. Department of Health and Human Services, making it one of the largest healthcare breaches ...

  • Medicare data breach exposes personal details of 100,000 Americans

    July 12, 2025

    Healthcare data continues to be a top target for cybercriminals. In June alone, two major breaches compromised over 13 million patient records. Now, a newly confirmed Medicare data breach has affected more than 100,000 Americans. The Centers for Medicare & Medicaid Services (CMS) sent letters this week to those affected, confirming that hackers accessed sensitive data ...