A high-severity security vulnerability has been discovered in Python’s asyncio module on Windows, potentially allowing attackers to write data beyond the boundaries of an allocated memory buffer. The flaw, tracked as CVE-2026-3298, was publicly disclosed on April 21, 2026, by Python security developer…
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Myth or Mythos? The illusion of advantage in the AI cybersecurity race
Anthropic Mythos platform has sparked a new round of debate over a classic cybersecurity question – except at an entirely new level: What will happen as the systems used to discover and exploit vulnerabilities gain the ability to do so…
Hackers Abuse SS7 and Diameter Protocols to Track Mobile Users Worldwide
A major investigation has revealed that sophisticated threat actors are exploiting fundamental vulnerabilities in global mobile networks to track users worldwide. By abusing legacy 3G SS7 and 4G Diameter signaling protocols, hackers are successfully bypassing telecom firewalls to conduct silent,…
When Research Becomes a Crime: The New Risk Landscape for OSINT and Dark Web Intelligence
For decades, the “gray area” of undercover research was governed by internal policies. The SPLC indictment suggests that internal oversight is no longer a shield. The post When Research Becomes a Crime: The New Risk Landscape for OSINT and Dark…
Open vs. Closed Weight Models and Why You Need Confidential Inference Either Way
The open vs. closed AI model debate misses the bigger issue. Confidential inference secures model weights and data during runtime. The post Open vs. Closed Weight Models and Why You Need Confidential Inference Either Way appeared first on Security Boulevard.…
OpenAI’s GPT-5.5 is out with expanded cybersecurity safeguards
Competition to release stronger AI models is accelerating, and just weeks after the release of GPT-5.4, OpenAI has introduced GPT-5.5, pointing to expanded safeguards in the new model. GPT-5.5 is being rolled out to Plus, Pro, Business, and Enterprise users…
Rituals cosmetics breach, FBI iOS flaw fixed, Teams Helpdesk impersonation
Cosmetics giant Rituals discloses data breach Apple fixes iOS flaw exploited by the FBI Microsoft Teams Helpdesk impersonation Get the show notes here: https://cisoseries.com/cybersecurity-news-rituals-cosmetics-breach-fbi-ios-flaw-fixed-teams-helpdesk-malware-impersonation/ Huge thanks to our sponsor, ThreatLocker ThreatLocker is extending Zero Trust beyond endpoint control. With their…
Intel Shares Jump On Data Centre Expectations
Intel sees shares rise sharply after it projects stronger-than-expected sales of data centre chips, boosted by AI demand This article has been indexed from Silicon UK Read the original article: Intel Shares Jump On Data Centre Expectations
Hackers Exploit Ollama Model Uploads to Leak Server Data
Cybersecurity researchers have uncovered a severe, unpatched vulnerability in Ollama, a popular open-source platform used for running large language models locally. Tracked as CVE-2026-5757, this critical flaw exists in Ollama’s model quantization engine. If exploited, it allows an unauthenticated attacker…
Researchers find cyber-sabotage malware that may predate Stuxnet by five years
FAST16 could be the first cyberweapon, and its effects could be with us today Black Hat Asia Infosec outfit SentinelOne found malware that tries to induce errors in engineering and physics simulation software and therefore represents an attempt at sabotage,…
The Robot Will See You Now
As these systems move from “pilot” to “permanent,” are you more concerned about the erosion of the physician-patient relationship or the potential for hidden economic “steering” within the algorithms? The post The Robot Will See You Now appeared first on…
China-Linked Hackers Hide Behind Compromised Routers
Hackers linked to China are increasingly abusing compromised routers and edge devices to build covert networks, enabling stealthy cyber operations that are harder to detect and block. Instead of relying on dedicated servers or purchased hosting, threat actors are now…
Hackers Track 900+ React2Shell Exploits via Telegram Bots
Hackers are using Telegram bots and AI tooling to run a structured, at-scale exploitation campaign abusing the critical React2Shell vulnerability (CVE-2025-55182), with evidence of 900+ confirmed compromises. Investigators found an exposed server tied to the Bissa scanner platform, used for…
GopherWhisper: A burrow full of malware
ESET Research has discovered a new China-aligned APT group that we’ve named GopherWhisper, which targets Mongolian governmental institutions This article has been indexed from WeLiveSecurity Read the original article: GopherWhisper: A burrow full of malware
AI is speeding up nation-state cyber programs
Im this Help Net Security interview, Kaja Ciglic, Senior Director, Cybersecurity Policy and Diplomacy at Microsoft, discusses how nation-state cyber programs have changed over three years. Cyber has become a core instrument of state power, integrated with military, economic, and…
Hackers Exploit SS7 and Diameter Flaws to Track Mobile Users Globally
A recent investigation by Citizen Lab has uncovered sophisticated, multi-year surveillance campaigns exploiting foundational vulnerabilities in global mobile networks. The report, titled “Bad Connection,” reveals how suspected commercial surveillance vendors (CSVs) weaponize the SS7 and Diameter signaling protocols to covertly…
Microsoft Teams Issue Blocking Users From Joining Meetings Following Edge browser update
Microsoft is actively investigating a known issue preventing some users from joining Microsoft Teams meetings on Windows devices, following a recent update to the Microsoft Edge browser. The disruption is affecting organizations, including those using NHSmail infrastructure, with reports indicating…
A study of 1,000 Android apps finds a privacy policy logging gap
Android developers write log statements for the same reasons they always have: debugging crashes, tracing performance issues, and understanding how features behave in production. Legal and privacy teams, working from templates and regulatory checklists, draft policies describing what the app…
Hackers Impersonate IT Helpdesk Staff to Breach Firms via Microsoft Teams
A newly identified cyber threat group, UNC6692, is using a clever mix of social engineering and custom malware to infiltrate corporate networks. By impersonating IT helpdesk personnel on Microsoft Teams, these hackers trick employees into downloading a sophisticated malware suite…
Ransomware Gang Unveils Custom Data-Theft Tool
Ransomware operators introduced a custom-built data exfiltration tool, signaling a notable evolution in attack techniques. Unlike most ransomware groups that rely on publicly available utilities such as Rclone or MegaSync, Trigona affiliates are now using a proprietary tool to steal…