Signal, Instagram et Roblox interdits sur Internet
Le ministère des télécommunications Russe fait interdire l’utilisation de la messagerie Signal sur le territoire Russe. Roblox et Instagram en Turquie.
FBI Shuts Down Dispossessor Ransomware Group’s Servers Across U.S., U.K., and Germany
The U.S. Federal Bureau of Investigation (FBI) on Monday announced the disruption of online infrastructure associated with a nascent ransomware group called Dispossessor (aka Radar). The effort saw the dismantling of three U.S. servers, three United Kingdom servers, 18 German servers, eight U.S.-based criminal domains, and one German-based criminal domain. Dispossessor is said to be […]
Ukraine Warns of New Phishing Campaign Targeting Government Computers
The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new phishing campaign that masquerades as the Security Service of Ukraine to distribute malware capable of remote desktop access. The agency is tracking the activity under the name UAC-0198. More than 100 computers are estimated to have been infected since July 2024, including […]
How Phishing Attacks Adapt Quickly to Capitalize on Current Events
In 2023, no fewer than 94 percent of businesses were impacted by phishing attacks, a 40 percent increase compared to the previous year, according to research from Egress. What’s behind the surge in phishing? One popular answer is AI – particularly generative AI, which has made it trivially easier for threat actors to craft content […]
Bulletin d’actualité CERTFR-2024-ACT-036 (12 août 2024)
Ce bulletin d’actualité du CERT-FR revient sur les vulnérabilités significatives de la semaine passée pour souligner leurs criticités. Il ne remplace pas l’analyse de l’ensemble des avis et alertes publiés par le CERT-FR dans le cadre d’une analyse de risques pour prioriser l’application des…
FreeBSD Releases Urgent Patch for High-Severity OpenSSH Vulnerability
The maintainers of the FreeBSD Project have released security updates to address a high-severity flaw in OpenSSH that attackers could potentially exploit to execute arbitrary code remotely with elevated privileges. The vulnerability, tracked as CVE-2024-7589, carries a CVSS score of 7.4 out of a maximum of 10.0, indicating high severity. « A signal handler in sshd(8) […]
The AI Hangover is Here – The End of the Beginning
After a good year of sustained exuberance, the hangover is finally here. It’s a gentle one (for now), as the market corrects the share price of the major players (like Nvidia, Microsoft, and Google), while other players reassess the market and adjust priorities. Gartner calls it the trough of disillusionment, when interest wanes and implementations […]
Researchers Uncover Vulnerabilities in Solarman and Deye Solar Systems
Cybersecurity researchers have identified a number of security shortcomings in photovoltaic system management platforms operated by Chinese companies Solarman and Deye that could enable malicious actors to cause disruption and power blackouts. « If exploited, these vulnerabilities could allow an attacker to control inverter settings that could take parts of the grid down, potentially causing
Industrial Remote Access Tool Ewon Cosy+ Vulnerable to Root Access Attacks
Security vulnerabilities have been disclosed in the industrial remote access solution Ewon Cosy+ that could be abused to gain root privileges to the devices and stage follow-on attacks. The elevated access could then be weaponized to decrypt encrypted firmware files and encrypted data such as passwords in configuration files, and even get correctly signed X.509 […]
EastWind Attack Deploys PlugY and GrewApacha Backdoors Using Booby-Trapped LNK Files
The Russian government and IT organizations are the target of a new campaign that delivers a number of backdoors and trojans as part of a spear-phishing campaign codenamed EastWind. The attack chains are characterized by the use of RAR archive attachments containing a Windows shortcut (LNK) file that, upon opening, activates the infection sequence, culminating […]