Hackers Hijack GitHub Accounts in Supply Chain Attack Affecting Top-gg and Others

Unidentified adversaries orchestrated a sophisticated attack campaign that has impacted several individual developers as well as the GitHub organization account associated with Top.gg, a Discord bot discovery site. « The threat actors used multiple TTPs in this attack, including account takeover via stolen browser cookies, contributing malicious code with verified commits, setting up a custom

New « GoFetch » Vulnerability in Apple M-Series Chips Leaks Secret Encryption Keys

A new security shortcoming discovered in Apple M-series chips could be exploited to extract secret keys used during cryptographic operations. Dubbed GoFetch, the vulnerability relates to a microarchitectural side-channel attack that takes advantage of a feature known as data memory-dependent prefetcher (DMP) to target constant-time cryptographic implementations and capture sensitive data

Iran-Linked MuddyWater Deploys Atera for Surveillance in Phishing Attacks

The Iran-affiliated threat actor tracked as MuddyWater (aka Mango Sandstorm or TA450) has been linked to a new phishing campaign in March 2024 that aims to deliver a legitimate Remote Monitoring and Management (RMM) solution called Atera. The activity, which took place from March 7 through the week of March 11, targeted Israeli entities spanning global manufacturing, […]

N. Korea-linked Kimsuky Shifts to Compiled HTML Help Files in Ongoing Cyberattacks

The North Korea-linked threat actor known as Kimsuky (aka Black Banshee, Emerald Sleet, or Springtail) has been observed shifting its tactics, leveraging Compiled HTML Help (CHM) files as vectors to deliver malware for harvesting sensitive data. Kimsuky, active since at least 2012, is known to target entities located in South Korea as well as North America, Asia, […]

Russian Hackers Use ‘WINELOADER’ Malware to Target German Political Parties

The WINELOADER backdoor used in recent cyber attacks targeting diplomatic entities with wine-tasting phishing lures has been attributed as the handiwork of a hacking group with links to Russia’s Foreign Intelligence Service (SVR), which was responsible for breaching SolarWinds and Microsoft. The findings come from Mandiant, which said Midnight Blizzard (aka APT29, BlueBravo, or

New StrelaStealer Phishing Attacks Hit Over 100 Organizations in E.U. and U.S.

Cybersecurity researchers have detected a new wave of phishing attacks that aim to deliver an ever-evolving information stealer referred to as StrelaStealer. The campaigns impact more than 100 organizations in the E.U. and the U.S., Palo Alto Networks Unit 42 researchers said in a new report published today. « These campaigns come in the form of spam […]

Les paquets de données : pilier fondamental de la cybersécurité

L’absence d’une analyse poussée des paquets de données peut avoir des conséquences désastreuses pour les entreprises, impactant gravement leurs équipes informatiques et la sécurité de leurs infrastructures.

AWS Patches Critical ‘FlowFixation’ Bug in Airflow Service to Prevent Session Hijacking

Cybersecurity researchers have shared details of a now-patched security vulnerability in Amazon Web Services (AWS) Managed Workflows for Apache Airflow (MWAA) that could be potentially exploited by a malicious actor to hijack victims’ sessions and achieve remote code execution on underlying instances. The vulnerability, now addressed by AWS, has been codenamed FlowFixation by Tenable.

Massive Sign1 Campaign Infects 39,000+ WordPress Sites with Scam Redirects

A massive malware campaign dubbed Sign1 has compromised over 39,000 WordPress sites in the last six months, using malicious JavaScript injections to redirect users to scam sites. The most recent variant of the malware is estimated to have infected no less than 2,500 sites over the past two months alone, Sucuri said in a report published this […]

China-Linked Group Breaches Networks via Connectwise, F5 Software Flaws

A China-linked threat cluster leveraged security flaws in Connectwise ScreenConnect and F5 BIG-IP software to deliver custom malware capable of delivering additional backdoors on compromised Linux hosts as part of an « aggressive » campaign. Google-owned Mandiant is tracking the activity under its uncategorized moniker UNC5174 (aka Uteus or Uetus), describing it as a « former