Why ransomware attacks succeed even when backups exist
Backups don't fail because they're missing, they fail because attackers destroy them first. Acronis explains how ransomware targets backup systems before encryption, leaving no path to recovery.
Explains why excessive cloud and SaaS privileges are risky, from credential exposure to privilege creep, and highlights privilege and identity monitoring.
Webinar: Why network incidents escalate and how to fix response gaps
Most network incidents don't escalate due to a lack of alerts; they escalate when response breaks down. This webinar explores how to fix gaps in triage, enrichment, and coordination.
MuddyWater hackers use Chaos ransomware as a decoy in attacks
The MuddyWater Iranian hackers disguised their operations as a Chaos ransomware attack, relying on Microsoft Teams social engineering to gain access and establish persistence.
OceanLotus suspected of using PyPI to deliver ZiChatBot malware
Kaspersky researchers uncovered malicious wheel packages in PyPI that targeted both Windows and Linux and contained a dropper delivering malware dubbed ZiChatBot. We attribute this activity to OceanLotus APT.
Insights into the clustering and reuse of phone numbers in scam emails
Talos has recently started to collect and gather intelligence around phone numbers within emails as an additional indicator of compromise (IOC). In this blog, we discuss new insights into in-the-wild phone number reuse in scam emails.
Rowhammer Attack Against NVIDIA Chips - Schneier on Security
A new rowhammer attack gives complete control of NVIDIA CPUs. On Thursday, two research teams, working independently of each other, demonstrated attacks against two cards from Nvidia’s Ampere generation that take GPU rowhammering into new—and potentially much more consequential—territory: GDDR bitflips that give adversaries full control of CPU memory, resulting in full system compromise of the host machine. For the attack to work, IOMMU memory management must be disabled, as is the default in BIOS settings. “Our work shows that Rowhammer, which is well-studied on CPUs, is a serious threat on GPUs as well,” said Andrew Kwong, co-author of one of the papers. “...
Fuite de données chez Cetelem (BNP Paribas) : ce qu'il faut savoir - Numerama
BNP Paribas Personal Finance (Cetelem, Cofinoga et Findomestic) confirme à Numerama avoir subi une attaque informatique le 20 avril 2026. Le groupe rassure en assurant que seules les adresses mail de certains clients sont concernées, mais les tentatives d'hameçonnage pourraient se multiplier dans les prochaines
Websites with an undefined trust level: avoiding the trap
We explain what suspicious websites are and how to distinguish a safe site from a fraudulent one. A new category in Kaspersky solutions: we’re sharing global statistics on untrusted site detection.
Palo Alto Networks warns of firewall RCE zero-day exploited in attacks
Palo Alto Networks warned customers today that a critical-severity unpatched vulnerability in the PAN-OS User-ID Authentication Portal is being exploited in attacks.
CISA wants critical infrastructure to operate ‘weeks to months’ in isolation during conflict | CyberScoop
The agency will begin targeted assessments meant to help critical infrastructure entities operate while disconnecting OT networks from IT and third-party vendors.
New stealthy Quasar Linux malware targets software developers
A previously undocumented Linux implant named Quasar Linux (QLNX) is targeting developers' systems with a mix of rootkit, backdoor, and credential-stealing capabilities.
Instructure hacker claims data theft from 8,800 schools, universities
The hacker behind a breach at education technology giant Instructure claims to have stolen 280 million data records for students and staff from 8,809 colleges, school districts, and online education platforms.
Researchers report Amazon SES abused in phishing to evade detection
Cybersecurity firm Kaspersky reports that the Amazon Simple Email Service (SES) is being increasingly abused to send convincing phishing emails that can bypass standard security filters and render reputation-based blocks ineffective.