Kyber ransomware gang toys with post-quantum encryption on Windows
A new Kyber ransomware operation is targeting Windows systems and VMware ESXi endpoints in recent attacks, with one variant implementing Kyber1024 post-quantum encryption. Cybersecurity firm Rapid7 retrieved and analyzed two distinct Kyber variants in March 2026 during an incident response. Both variants were deployed on the same network, with one targeting VMware ESXi and the other […]
New GoGra malware for Linux uses Microsoft Graph API for comms
A Linux variant of the GoGra backdoor uses legitimate Microsoft infrastructure, relying on an Outlook inbox for stealthy payload delivery. The malware is developed by Harvester, an espionage group believed to be state-baked, and is considered highly evasive due to its use of Microsoft Graph API to access mailbox data. Harvester has been active since at least […]
Microsoft releases emergency patches for critical ASP.NET flaw
Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability. The security flaw (tracked as CVE-2026-40372) was found in the ASP.NET Core Data Protection cryptographic APIs, and it could allow unauthenticated attackers to gain SYSTEM privileges on affected devices by forging authentication cookies. Microsoft discovered the flaw following user reports […]
Over 1,300 Microsoft SharePoint servers vulnerable to spoofing attacks
Over 1,300 Microsoft SharePoint servers exposed online remain unpatched against a spoofing vulnerability that was exploited as a zero-day and is still being abused in ongoing attacks. The security flaw, tracked as CVE-2026-32201, affects SharePoint Enterprise Server 2016, SharePoint Server 2019, and SharePoint Server Subscription Edition (the latest on-premises version, which uses a “continuous update” model). […]
French govt agency confirms breach as hacker offers to sell data
France Titres, the government agency in France for issuing and managince administrative documents has disclosed a data breach after a threat actor claimed the attack and stealing citizen data. Also known as Agence nationale des titres sécurisés (ANTS), the administrative body operates under the French Ministry of the Interior, serving as the managing authority for official identity […]
New Lotus data wiper used against Venezuelan energy, utility firms
A previously undocumented data-wiping malware dubbed Lotus was used last year in targeted attacks against energy and utilities organizations in Venezuela. The malware was uploaded to a publicly available platform in mid-December from a machine in Venezuela and has been analyzed by researchers at Kaspersky. Before the cripling stage, the attacker relies on two batch […]
UK probes Telegram, teen chat sites over CSAM sharing concerns
Ofcom, the United Kingdom’s independent communications regulator, has launched an investigation into Telegram based on evidence suggesting it’s being used to share child sexual abuse material (CSAM). The investigation was launched under the UK’s Online Safety Act to examine whether the social media and instant messaging (IM) service is complying with its illegal content safety duties, which […]
CISA flags new SD-WAN flaw as actively exploited in attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has given government agencies four days to secure their systems against another Catalyst SD-WAN Manager vulnerability it flagged as actively exploited in attacks. Catalyst SD-WAN Manager (formerly known as vManage) is a network management software that helps admins monitor and manage up to 6,000 Catalyst SD-WAN devices […]
Actively exploited Apache ActiveMQ flaw impacts 6,400 servers
Nonprofit security organization Shadowserver found that over 6,400 Apache ActiveMQ servers exposed online are vulnerable to ongoing attacks exploiting a high-severity code injection vulnerability. Apache ActiveMQ is the most popular open-source multi-protocol message broker for asynchronous communication between Java applications. Tracked as CVE-2026-34197, the vulnerability was discovered by Horizon3 researcher Naveen Sunkavally using the Claude AI assistant after remaining […]
Former ransomware negotiator pleads guilty to BlackCat attacks
41-year-old Angelo Martino, a former employee of cybersecurity incident response company DigitalMint, has pleaded guilty to targeting U.S. companies in BlackCat (ALPHV) ransomware attacks in 2023. Together with two other Sygnia and DigitalMint ransomware negotiators (33-year-old Ryan Clifford Goldberg and 28-year-old Kevin Tyler Martin), Martino was charged with conspiracy to interfere with interstate commerce by extortion, interference […]