Joint Cybersecurity Advisory: Scattered Spider

Scattered Spider (also known as, UNC3944, Scatter Swine, Oktapus, Octo Tempest, Storm-0875, and Muddled Libra) engages in data extortion and several other criminal activities. Scattered Spider threat actors use multiple social engineering techniques—including push bombing—and subscriber identity module (SIM) swap Read More …

Telecom giant Orange warns of disruption amid ongoing cyberattack

Orange, a French telecommunications giant and one of the largest phone providers in the world, announced on Monday that it was the victim of an unspecified cyberattack. In the announcement, the company said that it detected a cyberattack “on one Read More …

CVE-2025-53770 – Zero-day exploitation in the wild of Microsoft SharePoint servers

Microsoft released an advisory for CVE-2025-53770, a critical Remote Code Execution (RCE) vulnerability affecting on-premise SharePoint servers. This vulnerability has been exploited in the wild as a zero-day by an unknown threat actor prior to the disclosure from Microsoft. The Read More …

Scattered Spider hackers are targeting US critical infrastructure via VMware attacks

The infamous ScatteredSpider ransomware group is using VMware instances to target critical infrastructure organizations in the US, researchers have warned. In the campaign, the hackers do not exploit any vulnerabilities, but instead go for “aggressive, creative, and particularly skilled” social Read More …

Russia: Aeroflot cancels dozens of flights after hacker attack paralyzes IT systems

Russia’s Aeroflot airline has cancelled 49 round-trip flights to and from Moscow due to an IT system failure, the air carrier reported. The press service of the Prosecutor General’s Office of Russia said that the airline’s information systems were brought Read More …

NASCAR confirms user data breach following Medusa ransomware attack

NASCAR has confirmed it suffered a cyberattack and a data breach in April 2025 which saw personal information of racing fans allegedly stolen. The organization filed data breach reports with attorneys general in multiple US states, describing what had happened, Read More …

In-Depth Analysis of an Obfuscated Web Shell Script

This analysis is a follow-up to the investigation titled ‘Intrusion into Middle East Critical National Infrastructure’, conducted by the FortiGuard Incident Response Team (FGIR), which investigated a long-term cyber intrusion targeting critical national infrastructure (CNI) in the Middle East. The Read More …

Allianz Life says ‘majority’ of customers’ personal data stolen in cyberattack

U.S. insurance giant Allianz Life has confirmed to TechCrunch that hackers stole the personal information of the “majority” of its customers, financial professionals, and employees during a mid-July data breach. When reached by TechCrunch, Allianz Life spokesperson Brett Weinberg confirmed Read More …

Muddled Libra Threat Assessment: Further-Reaching, Faster, More Impactful

Unit 42 has tracked and responded to several waves of intrusion operations conducted by the cybercrime group we track as Muddled Libra (aka Scattered Spider, UNC3944) across different sectors in recent months. This article contains observations on Muddled Libra thus Read More …