Bluesky suffered a 24-hour DDoS attack that caused outages. A pro-Iran hacker group claimed responsibility for the disruption. Bluesky experienced a sophisticated DDoS attack that disrupted its services for about 24 hours, starting on April 15. Bluesky is a decentralized, open-source microblogging social media platform similar to X (formerly Twitter). It allows users to post […]
Hackers breached Venice ’s San Marco flood system, claiming control of pumps and the ability to disable defenses and flood coastal areas. The technologies that govern the physical world are the quiet infrastructure of modern life. From energy grids to water systems, from factories to flood defenses, operational technology (OT) has long had one essential […]
The recent cyberattack on Stryker wiped tens of thousands of employee devices through its Microsoft environment, and systems are still offline. A recent cyberattack on medical technology giant Stryker targeted its internal Microsoft environment and remotely wiped tens of thousands of employee devices without using malware. The company confirmed that its medical devices were not […]
Pro-Palestinian hacktivist group Handala claims a cyberattack on Stryker, alleging it wiped 200,000 systems and disrupted global operations. Pro-Palestinian hacktivist group Handala claims responsibility for a disruptive cyberattack against medical technology firm Stryker. “Medical technology giant Stryker is experiencing a global outage across its systems after a cyberattack early Wednesday. Staff and contractors report that […]
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 […]
Hacktivist group Twelve is back and targets Russian entities to destroy critical assets and disrupt their operations. The hacktivist group Twelve has been active since at least April 2023, it was formed in the wake of the conflict between Russia and Ukraine. The threat actor focuses on destroying critical assets, disrupting target business, and stealing […]
The US government sanctioned two Russian hacktivists for their cyberattacks targeting critical infrastructure, including breaches of water facilities. The United States sanctioned Russian hacktivists Yuliya Vladimirovna Pankratova and Denis Olegovich Degtyarenko, members of the Russian hacktivist group Cyber Army of Russia Reborn (CARR), for their roles in cyber operations against U.S. critical infrastructure. The US […]
Researchers reported that a Hamas-linked APT group is using a Rust-based SysJoker backdoor against Israeli entities. Check Point researchers observed a Hamas-linked APT group is using the SysJoker backdoor against Israeli entities. In December 2021, security experts from Intezer first discovered the SysJoker backdoor, which is able to infect Windows, macOS, and Linux systems. The version […]
1.7 TB of data stolen from Cellebrite, a digital intelligence company that provides tools for law enforcement, were leaked online. The Israeli mobile forensics firm Cellebrite is one of the leading companies in the world in the field of digital forensics, it works with law enforcement and intelligence agencies worldwide. One of the most popular services provided […]
A Pro-Russian group named NoName057(16) is targeting organizations in Ukraine and NATO countries with DDoS attacks. A Pro-Russian cybercrime group named NoName057(16) (aka 05716nnm or Nnm05716) is behind a wave of DDoS attacks against organizations in Ukraine and NATO countries, SentinelOne researchers reported. The attacks started in March 2022 and targeted government and critical infrastructure […]