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Cybersecurity and cloud infrastructure expert based in Geneva, helping organizations secure, modernize, and optimize their IT environments.
CISA says it observed malicious activity against more than 100 internet-exposed Water and Wastewater Systems Sector devices in July 2026, mostly PLCs reachable via cellular modems, and has issued guidance urging utilities to cut internet exposure of operational technology.
Researcher Dominik Reichel has detailed Sleepwalker, a previously unseen passive Windows backdoor that hides in memory as a fake dpapi.dll and stays dormant until it receives a specially crafted network packet, then decrypts a 23-instruction command set over TCP, UDP, ICMP, SMB pipes or VMware VMCI.
A subscription phishing platform called NovaCookies uses genuine Docusign envelopes and legitimate Microsoft or Google redirect hops to steal authenticated Microsoft 365 sessions, bypassing MFA for hundreds of organizations, according to researchers at Island.
CISA, the FBI and HHS say Medusa ransomware has breached more than 500 U.S. critical infrastructure organizations since June 2021, up from over 300 reported in March 2025, as the group's ransomware-as-a-service model keeps expanding.
WhatsApp is rolling out multiple passkey support for accounts used on both iOS and Android, plus a two-step verification upgrade that replaces the six-digit PIN with a full alphanumeric password. Android users also get more caller context to spot scams.
Microsoft has delayed Exchange Server Subscription Edition Cumulative Update 1 for a second time, saying engineers cannot keep pace with the volume of vulnerabilities surfaced by AI-assisted code scanning. The company has not given a new release window.
Microsoft has updated Windows Task Manager to show per-process NPU and GPU neural engine activity on the Processes and Performance tabs, giving IT pros and developers a built-in way to see whether AI workloads run on dedicated silicon or fall back to the CPU.
Microsoft has started testing a redesigned File Explorer and context menu in Windows 11 Insider preview builds, promising faster right-click performance, less clutter, and a new Settings page to control which commands and app extensions appear.
