Microsoft Exchange Flaw Lets Attackers Spoof Any Email Address
"Ghost-Sender" uses Exchange Online or on-premises in hybrid mode with a third-party mail server or spam filter to achieve this level of spoofing.
"Ghost-Sender" uses Exchange Online or on-premises in hybrid mode with a third-party mail server or spam filter to achieve this level of spoofing.
The attacks stemmed from a GitHub account that was also compromised in a previous Miasmi attack on Microsoft last month.
Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws and three publicly disclosed zero-day vulnerabilities. [...]
Veeam has released security patches to address a critical flaw in its Backup & Replication software that could result in remote code execution. Tracked as CVE-2026-44963, the vulnerability carries a CVSS score of 9.4 out of a maximum of 10.0. "A vulnerability allowing remote co…
Microsoft on Monday confirmed that it temporarily removed some GitHub repositories in response to a recent security incident that led to 73 of its open-source projects being compromised to inject an information stealer into the code. "Our priority is to protect customers and the…
Anthropic's Mythos Preview was highly effective at finding vulnerability candidates, especially when analyzing source code. XBOW explores how the model performed across exploit discovery, reverse engineering, and live-site validation. [...]
Check Point VPN and Google Chrome Vulnerabilities Under Active Exploitation The HIPAA Journal
Patches have been issued to fix a critical vulnerability affecting Check Point Mobile Access, SSL VPN, Remote Access VPN, and […] The post Check Point VPN and Google Chrome Vulnerabilities Under Active Exploitation appeared first on The HIPAA Journal.
Microsoft removed 73 repositories across its Azure, microsoft, Azure-Samples, and MicrosoftDocs organizations on GitHub, disrupting continuous integration pipelines. [...]
Two separate campaigns target CVE-2025-8088, fixed last July, to conduct data theft and cyberespionage against military and government targets in Ukraine.
Use-after-free bug can be exploited to evade sandbox defenses.
Veeam has released security updates to patch a critical Backup & Replication security flaw that can be exploited to gain remote code execution (RCE) on domain-joined backup servers. [...]
Monitorar ameaças sempre foi um desafio de escala. Ambientes corporativos geram volumes massivos de eventos por segundo, e identificar o que representa risco real em meio a esse ruído depende de correlação, contexto e velocidade de análise. Por anos, ferramentas de monitoramento …
Two Russia-aligned cyber attack campaigns have continued to exploit a security flaw in WinRAR to target Ukrainian organisations, almost a year after patches for the vulnerability were released. The activity has been attributed by Trend Micro to Earth Dahu (aka Gamaredon) and SHA…
University of Toronto researchers have built and tested a proof-of-concept AI-driven computer worm that uses a locally hosted open-weight large language model to reason its way through a network, generate tailored attack strategies for each target it encounters, and replicate its…
Google has released security updates to address 74 vulnerabilities, including one that has come under active exploitation in the wild. The high-severity vulnerability, tracked as CVE-2026-11645 (CVSS score: 8.8), has been described as an out-of-bounds memory access in V8, Chrome…
O WhatsApp afirmou ter interrompido uma nova onda de ataques de spear phishing associada ao NSO Group, empresa israelense conhecida pelo spyware Pegasus. A atividade mirava um pequeno grupo de usuários e reacendeu a disputa judicial entre a Meta e a fabricante de ferramentas de v…
Uma vulnerabilidade zero-day em soluções VPN da Check Point está sendo explorada em ataques reais para obter acesso inicial a redes corporativas e apoiar atividades ligadas a ransomware. A falha é rastreada como CVE-2026-50751 e recebeu pontuação CVSS 9,3. O problema afeta implan…
DINUM, the digital affairs directorate of the French government, warned that hackers used a hijacked user account to breach Tchap, the French government's encrypted messaging platform. [...]
An Iranian-linked hacker group called Handala claimed to have hit Israeli military targets with massive cyberattacks on Sunday,…