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7 derniers jours

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> TODAY'S SUMMARY (18 articles)

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// AI-powered summary generated at 08:00

> GPUBreach: Root Shell Access Achieved via GPU Rowhammer Attack 
Researchers have demonstrated that GPU Rowhammer attacks can be used to escalate privileges. The post GPUBreach: Root Shell Access Achieved via GPU Rowhammer Attack  appeared first on SecurityWeek.
> The Hidden Cost of Recurring Credential Incidents
When talking about credential security, the focus usually lands on breach prevention. This makes sense when IBM’s 2025 Cost of a Data Breach Report puts the average cost of a breach at $4.4 million. Avoiding even one major incident is enough to justify most security investments, but that headline fi...
> GPUBreach exploit uses GPU memory bit-flips to achieve full system takeover
GPUBreach attack technique uses GPU memory bit-flips to escalate privileges and potentially take full control of a system. New research shows that attacks like GPUBreach exploit RowHammer bit-flips in GPU memory (GDDR6) to go beyond data corruption. Attackers can use this technique to escalate privi...
> Is Gmail Filtering Your Emails? Causes, Signs & Fixes
Find out why Gmail is filtering your emails, what triggers its spam filters, and how to fix it — including authentication, sender reputation, and content issues. The post Is Gmail Filtering Your Emails? Causes, Signs & Fixes appeared first on Security Boulevard.
> What we learned about TEE security from auditing WhatsApp's Private Inference
WhatsApp’s new “Private Inference” feature represents one of the most ambitious attempts to combine end-to-end encryption with AI-powered capabilities, such as message summarization. To make this possible, Meta built a system that processes encrypted user messages inside trusted execution environmen...
> FIRESIDE CHAT: Geopolitical turmoil, rising AI risk add a new layer to enterprise cyber defense
As if securing the enterprise against a tidal wave of AI tools wasn’t hard enough, it turns out the geopolitical instability of the moment is making things worse. That wasn’t the headline at RSAC 2026 last week — agentic AI … (more…) The post FIRESIDE CHAT: Geopolitical turmoil, rising AI risk add...
> Medusa Ransomware Fast to Exploit Vulnerabilities, Breached Systems
The group is using zero-days, quickly weaponizes fresh bugs, and exfiltrates and encrypts data within days of initial access. The post Medusa Ransomware Fast to Exploit Vulnerabilities, Breached Systems appeared first on SecurityWeek.
> How to Send Secure Email in Gmail: Step-by-Step Guide
Learn how to send secure email in Gmail using Confidential Mode, S/MIME encryption, and best practices to protect sensitive messages in Google Workspace. The post How to Send Secure Email in Gmail: Step-by-Step Guide appeared first on Security Boulevard.
> Microsoft says Medusa-linked Storm-1175 is speeding ransomware attacks
Microsoft has warned that Storm-1175, a cybercrime group linked to Medusa ransomware, is exploiting vulnerable web-facing systems in fast-moving attacks, at times moving from initial access to data theft and ransomware deployment within 24 hours. The company said the group...
> Support platform breach exposes Hims & Hers customer data
Healthcare companies handle some of the most personal data imaginable, and that makes them a magnet for hackers.
> Making The Case For Triage: Transforming Your Digital Forensics For Smarter Investigations
Richard Frawley, Director of Training at ADF Solutions, makes the case for triage in digital forensic investigations.
> Storm-1175 Exploits Flaws in High-Velocity Medusa Attacks
Microsoft has released a new report about the Storm-1175 group and its connection to Medusa ransomware
> Supply chain security is now a board-level issue: Here’s what CSOs need to know
For many years, supply chain security was viewed purely as a technical concern. However, with high-profile vulnerabilities and regulations, it is now a board-level issue that requires organizations to rethink how to build resiliency and insulate their operations.The changing r...
> The Trojan horse of cybercrime: Weaponizing SaaS notification pipelines
Cisco Talos has recently observed an increase in activity that is leveraging notification pipelines in popular collaboration platforms to deliver spam and phishing emails. 
> Year in Review: Vulnerabilities old and new and something React2
The year was characterized by an unending beat-down on infrastructure that relied on older enmeshed dependencies (e.g., Log4j and PHPUnit), while React2Shell rocketed to the highest percentage of attacks for the entire year within the last three weeks of 2025. 
> Data Masking Gaps That Could Expose Your Organization
Organizations collect and store huge amounts of sensitive data, customer details, financial records, login credentials, and more. Protecting this data is not just important; it’s critical for business survival. One of the most commonly used techniques to protect sensitive data is data masking. At fi...
> Hong Kong Police Can Force You to Reveal Your Encryption Keys
According to a new law, the Hong Kong police can demand that you reveal the encryption keys protecting your computer, phone, hard drives, etc.—even if you are just transiting the airport. In a security alert dated March 26, the U.S. Consulate General said that, on March 23, 2026, Hong Kong authoriti...
> GitHub Copilot CLI gets a second-opinion feature built on cross-model review
Coding agents make decisions in sequence: a plan is drafted, implemented, then tested. Any error introduced early compounds as subsequent steps build on the same flawed assumption. Self-reflection is a recognized mitigation technique, and one GitHub Copilot already supports, but a model reviewing it...
> Fortinet Releases Emergency Patch After FortiClient EMS Bug Is Exploited
Fortinet has updated its FortiClient EMS product after zero-day attacks surfaced
> German Police Unmask REvil Ransomware Leader
Shchukin is accused of extorting more than $2 million as the head of the GandCrab and REvil ransomware operations. The post German Police Unmask REvil Ransomware Leader appeared first on SecurityWeek.