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Category: DDoS

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Pro-Russian group Noname057(16) launched DDoS attacks on Milano Cortina 2026 Winter Olympics

Italy stopped Russian-linked cyberattacks targeting Foreign Ministry offices and Winter Olympics websites and hotels, Foreign Minister Tajani said. Italy has thwarted a series of Russian-linked cyberattacks aimed at Foreign Ministry offices, including one in Washington, as well as Winter Olympics websites and hotels in Cortina d’Ampezzo, according to Foreign Minister Antonio Tajani. “We have foiled…

Police shut down global DDoS operation, arrest 20-year-old

Police officers from Poland’s Central Bureau for Combating Cybercrime (CBZC) have arrested a 20-year-old man suspected of carrying out global DDoS attacks targeting high-profile and strategically important websites. Arrest (Source: Poland’s Central Bureau for Combating Cybercrime) The suspect faces six criminal charges, including disrupting IT systems and obtaining specialized software designed to conduct cyberattacks. If…

UK NCSC warns of Russia-linked hacktivists DDoS attacks

The UK government warns Russia-linked hacktivists are still carrying out DDoS attacks on critical infrastructure and local government systems The UK government warns that Russia-linked hacktivists are continuing DDoS attacks against critical infrastructure and local government systems. “Today, 19th January 2026, the National Cyber Security Centre (NCSC) – a part of GCHQ – has issued an…

La Poste outage after a cyber attack disrupts digital banking and online services

La Poste said a major network incident took its systems offline, disrupting digital banking and online services for millions of users. The French national postal service La Poste confirmed a major cyber incident had knocked its information systems offline, disrupting digital banking and online services for millions of customers. Les services essentiels de la banque…

Russian Rosselkhoznadzor hit by DDoS attack, food shipments across Russia delayed

A DDoS attack on Russia’s food safety agency Rosselkhoznadzor disrupted food shipments by crippling its VetIS and Saturn tracking systems. A DDoS cyberattack on Russia’s food safety agency, Rosselkhoznadzor, disrupted nationwide food shipments by knocking offline its VetIS and Saturn tracking systems for agricultural products and chemicals. Rosselkhoznadzor (Россельхознадзор) is the Federal Service for Veterinary…

Europol targets Kremlin-backed cybercrime gang NoName057(16)

The hacking group NoName057(16) has been operating since 2022, launching cyber attacks on government organisations, media bodies, critical infrastructure, and private companies in Ukraine, America, Canada, and across Europe in a seeming attempt to silence voices that the group considers anti-Russian. Read more in my article on the Hot for Security blog.

Pro-Russian DDoS group NoName057(16) disrupted by international law enforcement operation

An international law enforcement operation conducted this week targeted the members of and infrastructure used by NoName057(16), a pro-Russian hacktivist group that has conducted distributed denial-of-service (DDoS) attacks across Europe since early 2022. Operation Eastwood disrupted over 100 servers worldwide and resulted in two arrests, seven international arrest warrants, and 24 house searches across multiple…

DDoS peaks hit new highs: Cloudflare mitigated massive 7.3 Tbps assault

Cloudflare blocked 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, while hyper-volumetric attacks surged with 6,500+ blocked, averaging 71 daily. Cloudflare mitigated 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, 13.5M of which stemmed from an 18-day Q1 campaign. Hyper-volumetric attacks surged, with over 6,500 blocked, averaging 71 per…

Prorussische Hacker greifen Sachsen-Anhalts Landesportal an

width=”2455″ height=”1381″ sizes=”(max-width: 2455px) 100vw, 2455px”>Sachsen-Anhalts Landesportal ist Ziel einer prorussischen Cyberattacke. DesignRage – shutterstock.com In Sachsen-Anhalt waren mehrere Internetseiten von Ministerien am Donnerstagvormittag kurzzeitig nicht aufrufbar. Grund sei ein anhaltender Cyberangriff auf das Landesportal, teilte ein Sprecher des Digitalministeriums auf Anfrage mit. Demnach ist das Landesportal seit Donnerstagmorgen Ziel eines sogenannten DDoS-Angriffs der prorussischen…

KrebsOnSecurity Hit With Near-Record 6.3 Tbps DDoS

KrebsOnSecurity last week was hit by a near record distributed denial-of-service (DDoS) attack that clocked in at more than 6.3 terabits of data per second (a terabit is one trillion bits of data). The brief attack appears to have been a test run for a massive new Internet of Things (IoT) botnet capable of launching…

DDoS-Attacken auf deutsche Städte

Hacker haben die Webseiten von mehreren deutschen Städten mit DDoS-Attacken lahmgelegt. Wirestock Creators – shutterstock.com Am 25. April 2025 kämpfte die Stadt Nürnberg mit einem Ausfall ihrer Online-Dienste. Ursache war eine sogenannte DDoS-Attacke (Distributed Denial of Service). Dabei wird eine Website mit Bot-Anfragen überflutet, sodass die Serverkapazitäten überlastet sind. Wie der Bayerische Rundfunk berichtet hatte,…

Six DDoS sites seized in multi-national law enforcement operation

Authorities in Poland have arrested four people accused of administrating and selling access to distributed denial of service (DDoS) services, according to a press release from Europol.   The suspects are believed to have operated six so-called “stresser” or “booter” services that enabled customers across the world to launch thousands of attacks on targets ranging from…

X suffered a DDoS attack. Its CEO and security researchers can’t agree on who did it.

Social media service X was hit by a series of distributed denial-of-service attacks Monday, which rendered the platform formerly known as Twitter inaccessible at times for users with intermittent outages and errors, according to researchers. The cause of those attacks has been much harder to discern. Elon Musk, the site’s owner, described the incident as…

‘Severe’ bug in ChatGPT’s API could be used to DDoS websites

A vulnerability in ChatGPT’s API can generate DDoS attacks against targeted websites, but the security researcher who discovered it says the flaw has since been addressed by OpenAI. In a security advisory posted to the developer platform GitHub, German security researcher Benjamin Flesch detailed the bug, which occurs when the API is processing HTTP POST…

CloudFlare detected (and blocked) the biggest DDoS attack on record

Web infrastructure and security company Cloudflare says it detected the biggest Distributed Denial-of-Service (DDoS) attack ever recorded, a 5.6 terabits per second (Tbps) attack directed at an internet service provider (ISP) in Eastern Asia. Despite the staggering volume of the attack, Cloudflare successfully managed and mitigated it without human intervention. The company said in research…

International crackdown disrupts DDoS-for-hire operations

In a sweeping international crackdown, law enforcement agencies from 15 countries, including the United States and multiple European nations, have dismantled 27 of the most popular platforms used for carrying out distributed denial-of-service (DDoS) attacks, Europol announced Wednesday. The operation, known as PowerOFF, has led to the arrest of three administrators in France and Germany…

Cloudflare reports record-breaking HTTP-request DDoS attack

Cloudflare reports thwarting the largest known HTTP-request distributed denial of service attack in history, approximately three times larger than any other previously reported. The attack in July reached 17.2 million requests per second, the company wrote in a blog post. For scale, the entirety of the Cloudflare network typically sees around 25 million requests per second…