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 Former US Air Force members sent to prison over BEC attacks

Two former members of the United States Air Force were sentenced to a combined 189 months in federal prison for their roles in a multi-year series of business email compromise (BEC) scams and phishing campaigns. [...]

https://www.bleepingcomputer.com/news/security/former-us-air-force-members-sent-to-prison-over-bec-attacks/
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 Hackers exploit Citrix NetScaler zero-day to deploy web shells

Cybersecurity firms say attackers exploited the Citrix NetScaler CVE-2026-88772 zero-day to deploy custom web shells and tunneling malware, gain root access, steal credentials, and spread into internal networks. [...]

https://www.bleepingcomputer.com/news/security/hackers-exploit-citrix-netscaler-zero-day-to-deploy-web-shells/
 Signal adds encypted local backup support to iOS, desktop apps

Signal, the secure messaging app, released version 8.30, completing the rollout of its secure backups feature across all supported operating systems (Android, iOS, Linux, macOS, and Windows). [...]

https://www.bleepingcomputer.com/news/security/signal-adds-encypted-local-backup-support-to-ios-desktop-apps/
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 Bitget hacked via zero-day in third-party security products

Cryptocurrency exchange Bitget revealed today that attackers who stole $387.5 million last week breached its systems after exploiting a zero-day flaw in third-party security products. [...]

https://www.bleepingcomputer.com/news/security/bitget-hacked-via-zero-day-in-third-party-security-products/
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 AI's Third Wave: Coworkers Break the Security Model That Worked for Agents

Persistent AI coworkers may operate continuously with standing access, creating identity risks that existing security models were not designed to handle. Token Security explains why these agents need their own identities, owners, scoped permissions, and lifecycle controls. [...]

https://www.bleepingcomputer.com/news/security/ais-third-wave-coworkers-break-the-security-model-that-worked-for-agents/
 CISA warns of critical pre-auth RCE flaw in MikroTik RouterOS

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a new critical vulnerability in MikroTik RouterOS that could lead to remote code execution or cause a denial-of-service condition. [...]

https://www.bleepingcomputer.com/news/security/cisa-warns-of-critical-pre-auth-rce-flaw-in-mikrotik-routeros/
 Over 543,000 valid credentials exposed in public GitHub repositories

More than 543,000 credentials exposed in public GitHub repositories were still valid in July despite the platform's security measures to prevent accidental leaks of sensitive data. [...]

https://www.bleepingcomputer.com/news/security/over-543-000-valid-credentials-exposed-in-public-github-repositories/
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 DIVD says Zammad zero-days enabled AI-driven network breach

The Dutch Institute for Vulnerability Disclosure (DIVD) says that the breach of its network was possible by exploiting a chain of two zero-day vulnerabilities in the open-source Zammad ticketing system. [...]

https://www.bleepingcomputer.com/news/security/divd-says-zammad-zero-days-enabled-ai-driven-network-breach/
 Microsoft enables Windows settings backup by default for orgs

Microsoft announced that Windows settings backup and restore is now enabled by default on all Microsoft Entra-joined or Microsoft Entra hybrid-joined enterprise systems upgraded to Windows 11 26H2. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-enables-windows-settings-backup-by-default-for-orgs/
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 The Day-One Hole in Zero Trust Architecture

Zero Trust can verify users once they are established, but onboarding creates a gap where organizations must decide who to trust before strong authentication exists. Specops explains why identity verification should begin before credentials, MFA methods, and access are issued. [...]

https://www.bleepingcomputer.com/news/security/the-day-one-hole-in-zero-trust-architecture/
 Police dismantle KillSec ransomware gang allegedly led by 16-year-old

An international law enforcement operation dubbed "Operation KillSwitch" seized the KillSec ransomware gang's data leak site and servers, led to three arrests, and identified a 16-year-old as the group's alleged administrator. [...]

https://www.bleepingcomputer.com/news/security/police-dismantle-killsec-ransomware-gang-allegedly-led-by-16-year-old/
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