Security News Digest - 2026-04-23 29 updates from 9 sources: Security Boulevard: What is Bring Your Own Encryption (BYOE)? https://securityboulevard.com/2026/04/what-is-bring-your-own-encryption-byoe/ darkreading: 'Zealot' Shows What AI's Capable of in Staged Cloud Attack https://www.darkreading.com/cyber-risk/zealot-shows-ai-execute-full-cloud-attacks Unit 42: AIはクラウドを攻撃できるのか?自律型クラウド攻撃型マルチエージェント システムの構築から得られた教訓 https://unit42.paloaltonetworks.com/autonomous-ai-cloud-attacks/ Unit 42: Can AI Attack the Cloud? Lessons From Building an Autonomous Cloud Offensive Multi-Agent System https://unit42.paloaltonetworks.com/autonomous-ai-cloud-attacks/ SecurityWeek: AI Can Autonomously Hack Cloud Systems With Minimal Oversight: Researchers https://www.securityweek.com/ai-can-autonomously-hack-cloud-systems-with-minimal-oversight-researchers/ Security Boulevard: Supply Chain Resilience for UK SMEs: Practical Steps to Reduce Third-Party Risk https://securityboulevard.com/2026/04/supply-chain-resilience-for-uk-smes-practical-steps-to-reduce-third-party-risk/🦠 Malwarebytes: Apple fixes iOS bug that kept deleted notifications, including chat previews https://www.malwarebytes.com/blog/news/2026/04/apple-fixes-ios-bug-that-kept-deleted-notifications-including-chat-previews Security Boulevard: Apple fixes iOS bug that kept deleted notifications, including chat previews https://securityboulevard.com/2026/04/apple-fixes-ios-bug-that-kept-deleted-notifications-including-chat-previews/ SecurityWeek: Luxury Cosmetics Giant Rituals Discloses Data Breach https://www.securityweek.com/luxury-cosmetics-giant-rituals-discloses-data-breach/ BleepingComputer: CISA orders feds to patch BlueHammer flaw exploited as zero-day https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-microsoft-defender-flaw-exploited-in-zero-day-attacks/ SecurityWeek: The Behavioral Shift: Why Trusted Relationships Are the Newest Attack Surface https://www.securityweek.com/the-behavioral-shift-why-trusted-relationships-are-the-newest-attack-surface/ Security Boulevard: Telco Privacy Violation? Fine! No, Telco Privacy Violation, Fine. Supreme Court to Determine if FCC Can Charge Telcos for Data Breaches https://securityboulevard.com/2026/04/telco-privacy-violation-fine-no-telco-privacy-violation-fine-supreme-court-to-determine-if-fcc-can-charge-telcos-for-data-breaches/ The Hacker News: Project Glasswing Proved AI Can Find the Bugs. Who's Going to Fix Them? https://thehackernews.com/2026/04/project-glasswing-proved-ai-can-find.html SecurityWeek: Rilian Raises $17.5 Million for AI-Native Security Orchestration https://www.securityweek.com/rilian-raises-17-5-million-for-ai-native-security-orchestration/ Security Boulevard: Threat on the Horizon – AI and Cybersecurity https://securityboulevard.com/2026/04/threat-on-the-horizon-ai-and-cybersecurity/ Security News | TechCrunch: Surveillance vendors caught abusing access to telcos to track people’s phone locations, researchers say https://techcrunch.com/2026/04/23/surveillance-vendors-caught-abusing-access-to-telcos-to-track-peoples-phone-locations-researchers-say/ Security Boulevard: How Branded SSO Interfaces Improve User Trust And Experience https://securityboulevard.com/2026/04/how-branded-sso-interfaces-improve-user-trust-and-experience/ The Hacker News: [Webinar] Mythos Reality Check: Beating Automated Exploitation at AI Speed https://thehackernews.com/2026/04/webinar-mythos-reality-check-beating.html BleepingComputer: New GopherWhisper APT group abuses Outlook, Slack, Discord for comms https://www.bleepingcomputer.com/news/security/new-gopherwhisper-apt-group-abuses-outlook-slack-discord-for-comms/ Security Boulevard: Managing AI Agents: Balancing Security and Productivity https://securityboulevard.com/2026/04/managing-ai-agents-balancing-security-and-productivity/ BleepingComputer: UK warns of Chinese hackers using proxy networks to evade detection https://www.bleepingcomputer.com/news/security/uk-warns-of-chinese-hackers-using-botnets-of-hijacked-consumer-devices-to-evade-detection/ SecurityWeek: Chinese Cybersecurity Firm’s AI Hacking Claims Draw Comparisons to Claude Mythos https://www.securityweek.com/chinese-cybersecurity-firms-ai-hacking-claims-draw-comparisons-to-claude-mythos/ Security Boulevard: District Administration | How Cloud Monitoring Protects Districts From New Cyber Threats https://securityboulevard.com/2026/04/district-administration-how-cloud-monitoring-protects-districts-from-new-cyber-threats/ Security Boulevard: Why Chrome Zero-Days Keep Winning and What Enterprises Need to Change – Blog | Menlo Security https://securityboulevard.com/2026/04/why-chrome-zero-days-keep-winning-and-what-enterprises-need-to-change-blog-menlo-security/ Security Boulevard: Copperhelm Emerges to Launch Autonomous Cloud Security Platform https://securityboulevard.com/2026/04/copperhelm-emerges-to-launch-autonomous-cloud-security-platform/ The Record from Recorded Future News: Medical data of 500,000 Britons put up for sale on Chinese website https://therecord.media/medical-data-on-500000-britons-put-on-sale-alibaba BleepingComputer: Microsoft: Some Teams users can’t join meetings after Edge update https://www.bleepingcomputer.com/news/microsoft/microsoft-some-teams-users-cant-join-meetings-after-edge-update/ The Record from Recorded Future News: House Republicans unveil data privacy law that would override state protections https://therecord.media/house-republicans-unveil-data-privacy-law-override-state-measures The Record from Recorded Future News: Trump’s pick for CISA director withdraws from consideration https://therecord.media/trump-pick-to-lead-cisa-withdraws-from-consideration#InfoSec #SecurityNews