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:

  • Hundreds of organizations breached by SharePoint mass-hacks

    July 23, 2025

    Security researchers say hackers have breached at least 400 organizations by exploiting a zero-day vulnerability in Microsoft SharePoint, signaling a sharp rise in the number of detected compromises since the bug was discovered last week. Eye Security, a Dutch cybersecurity firm that first identified the vulnerability in SharePoint, a popular server software that companies use to ...

  • #StopRansomware: Interlock

    July 22, 2025

    Since September 2024, Interlock ransomware actors have impacted a wide range of businesses and critical infrastructure sectors in North America and Europe. These actors are opportunistic and financially motivated in nature and employ tactics to infiltrate and disrupt the victim’s ability to provide their essential services. Interlock actors leverage a double extortion model, in which they ...

  • Weak password allowed hackers to sink a 158-year-old company

    July 21, 2025

    One password is believed to have been all it took for a ransomware gang to destroy a 158-year-old company and put 700 people out of work. KNP – a Northamptonshire transport company – is just one of tens of thousands of UK businesses that have been hit by such attacks. Big names such as M&S, Co-op ...

  • Ransomware gang attacking NAS devices taken down in major police operation

    July 18, 2025

    A 44-year-old Romanian national has been arrested during a law enforcement operation to dismantle a ransomware campaign called “Diskstation”. Diskstation usually targets Synology Network-Attached Storage (NAS) devices, often used in an enterprise environment for centralized file storage and sharing, data backup and recovery, and general content hosting. The group was first spotted in 2021, and has ...

  • Hackers are trying to steal passwords and sensitive data from users of Signal clone

    July 17, 2025

    Hackers are targeting a previously reported bug in the Signal clone app TeleMessage in an effort to steal users’ private data, according to security researchers and a U.S. government agency. TeleMessage, which earlier this year was revealed to be used by high-ranking officials in the Trump administration, already experienced at least one data breach in May. ...

  • GhostContainer backdoor: Malware compromising Exchange servers of high-value organizations in Asia

    July 17, 2025

    In a recent incident response (IR) case, Kaspersky researchers discovered highly customized malware targeting Exchange infrastructure within government environments. Analysis of detection logs and clues within the sample suggests that the Exchange server was likely compromised via a known N-day vulnerability. Kaspersky in-depth analysis of the malware revealed a sophisticated, multi-functional backdoor that can be dynamically ...