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News

SecurityWeek
securityweek.com > bluemoon-exploit-kit-chains-recent-chrome-windows-zero-days

BlueMoon Exploit Kit Chains Recent Chrome, Windows Zero-Days

2+ day, 8+ hour ago   (602+ words) Multiple espionage groups have been using a new exploit kit dubbed BlueMoon in seemingly opportunistic and rushed deployments, cybersecurity firm Proofpoint reports. The China-linked APT Violet Typhoon (also tracked as APT31, JungleBamboo, TA412, and Tide Castle) was the first to use it…...

SecurityWeek
securityweek.com > cybersecurity-ma-roundup-33-deals-announced-in-august-2026

Cybersecurity M&A Roundup: 33 Deals Announced in August 2026

3+ day, 3+ hour ago   (664+ words) Significant cybersecurity M&A deals announced by Brinqa, Cribl, Echo, Fortinet, Kiteworks, Palo Alto Networks, and Visa. For a detailed view of the more than 420 acquisitions announced in 2025, check out SecurityWeek’s annual M&A report. Here are some of the…...

SecurityWeek
securityweek.com > hacker-conversations-vinnie-liu-performer-turned-ringmaster

Hacker Conversations: Vinnie Liu, Performer Turned Ringmaster

4+ day, 5+ hour ago   (1376+ words) Vinnie Liu was recruited by the NSA when he was just 17 years old. He is now the CEO of Bishop Fox. He says little about his work at the NSA, only that “My first year was on the red team,…...

SecurityWeek
securityweek.com > webinar-today-keep-pace-with-ai-a-new-operating-model-for-endpoint-remediation

Webinar Today: Keep Pace With AI – A New Operating Model for Endpoint Remediation

3+ day, 6+ hour ago   (267+ words) September 10, 2026 at 1PM ET – Register to Attend AI is accelerating vulnerability discovery, putting more pressure on IT teams to close the gap between detection and remediation. But manual processes, disconnected tools, and inconsistent workflows continue to slow endpoint operations. Join SecurityWeek…...

SecurityWeek
securityweek.com > critical-netscaler-vulnerability-exploited-in-attacks

Critical NetScaler Vulnerability Exploited in Attacks

3+ day, 7+ hour ago   (460+ words) Tracked as CVE-2026-19490, the authentication bypass flaw has been exploited in the wild since at least September 3. The US Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday warned that threat actors have been exploiting a critical-severity NetScaler vulnerability in attacks....

SecurityWeek
securityweek.com > widened-scan-turns-up-fourth-rogue-claude-cyber-incident

Widened Scan Turns Up Fourth Rogue Claude Cyber Incident

3+ day, 8+ hour ago   (816+ words) Anthropic is most concerned about Claude Mythos 5’s reckless behavior after recent incidents in which real systems were hacked. Anthropic disclosed a previously unreported incident involving unauthorized access to a real system, in a report that also revisits three cases…...

SecurityWeek
securityweek.com > organizations-warned-of-cisco-secure-fmc-exploitation

Organizations Warned of Cisco Secure FMC Exploitation

3+ day, 9+ hour ago   (578+ words) Cisco and CISA have flagged exploitation of CVE-2026-20079, a vulnerability disclosed in March 2026. Cisco and the cybersecurity agency CISA on Wednesday flagged the exploitation of a Cisco Secure Firewall Management Center (FMC) vulnerability disclosed earlier this year. The security hole,…...

SecurityWeek
securityweek.com > new-shieldcrash-zero-day-exploit-targets-microsoft-defender > amp

New 'ShieldCrash' Zero-Day Exploit Targets Microsoft Defender

3+ day, 10+ hour ago   (397+ words) The exploit provides full System privileges on Windows machines running the September 2026 patches. The proof-of-concept (PoC) exploit code demonstrates an arbitrary file read with System privileges, according to Nightmare Eclipse, also known as Chaotic Eclipse, Infinite Nightmare, and MSNightmare. However,…...

SecurityWeek
securityweek.com > helmguard-raises-7-3-million-for-agentic-grc-and-security > amp

HelmGuard Raises $7.3 Million for Agentic GRC and Security

4+ day, 1+ hour ago   (454+ words) The company will increase its US market presence and will expand its engineering and go-to-market teams. AI risk and compliance startup HelmGuard today announced raising $7.3 million in seed funding. The investment round was co-led by Infinity Ventures and Frontline, with…...

SecurityWeek
securityweek.com > ai-is-giving-lesser-resourced-attackers-nation-state-level-reach-google-warns

AI Is Giving Lesser-Resourced Attackers Nation-State-Level Reach, Google Warns

4+ day, 3+ hour ago   (731+ words) Criminal and state-sponsored adversaries are increasingly using AI to automate and scale their attacks, according to GTIG. Adversaries, both criminal and state-sponsored, are increasingly using AI to automate and scale their attacks, according to Google’s Threat Intelligence Group (GTIG). What…...