Cloudflare says it detected and mitigated "the largest HTTPS DDoS attack on record." The 26 million requests per second DDoS attack likely originated from hacked virtual machines and servers kept by cloud computing hosts and was likely exacerbated by computationally intensive encrypted web traffic.
Three months after Russia’s ongoing invasion of Ukraine began, a report from the State Cyber Defense Center's Cyber Rapid Response Team takes a look back at the turbulence the nation has faced in its cyber sphere during Q1 2022 and considers the way ahead.
Microsoft has observed a 254% increase in activity over the past six months from a Linux Trojan called XorDdos. First discovered in 2014, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers and its usage of XOR-based encryption for its communications.
Italian police reportedly thwarted attempts to disrupt online voting for the music competition Eurovision, allegedly perpetrated by a hacking group called Killnet in retaliation for Russia not being allowed to compete at this year's festival, due to its invasion of Ukraine.
Viasat's satellite communications suffered an outage an hour before the Russian invasion of Ukraine began on Feb. 24. The company said it was a cyberattack, but did not identify the attacker. The U.S., U.K., EU and Ukraine have now attributed this attack to Russia.
Russia's use of wiper malware, DDoS attacks and targeted disinformation show it no longer depends on traditional methods in its war with Ukraine. John Walker, a professor and counterintelligence expert, says organizations need to be "more realistic" about how they handle cyberattacks.
Containers and cloud-based resources are being used to launch DoS attacks against Russian, Belarusian and Lithuanian websites. Cybersecurity firm CrowdStrike's researchers say that through their Docker Engine honeypots, they observed two different Docker images targeting these assets.
The Computer Emergency Response Team of Ukraine and the National Bank of Ukraine are warning of massive DDoS attacks against pro-Ukrainian targets. The intelligence service in Romania, SRI, also warns of a similar type of attack targeting sites belonging to its national authorities.
Pro-Russia threat group Killnet claims to have hit several victims with DDoS attacks in recent days. It targets victims that it believes are adversaries of Russia, and several critical infrastructure entities in the Czech Republic are known to have been successfully targeted.
Hours after global cryptocurrency exchange Currency.com announced it was halting operations in Russia, it faced - and thwarted - a distributed denial-of-service attack. The company's founder, Viktor Prokopenya, says the firm's "servers, systems and client data remained intact and uncompromised."
With Ukraine having called on the world to join its "IT Army" and help it hack Russia and ally Belarus, what could possibly go wrong? For starters, launching distributed denial-of-service attacks - at least from outside Ukraine - remains illegal and risks triggering an escalation by Moscow.
As Western cybersecurity officials warn that Russia's Ukraine invasion poses an elevated cybersecurity risk to all, kudos to Cloudflare, CrowdStrike and Ping Identity for offering free endpoint security and other defenses to the healthcare sector and power sectors, for at least four months.
An undisclosed website was the victim of a massive, dayslong distributed denial-of-service attack. The threat actor included a ransom note as part of the attack, instead of contacting the victim separately, and the DDoS attack has been mitigated, researchers at cybersecurity company Imperva say.
Russia's National Coordination Center for Computer Incidents has published a list of 17,576 IP addresses and 166 domains that it says are targeting the country's information resources via distributed denial-of-service attacks. It also published a 20-point list of remediation measures.
As Russia's invasion of Ukraine continues, what should global CISOs and security teams do to ensure that their organizations stay protected? Beyond following cybersecurity agencies' guidance, experts offer advice on how to brief the board of directors, appeal for resources, support teams and more.