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A Chinese threat actor hits US organizations with a Microsoft cloud exploit. Open source tools allow threat actors to exploit a loophole in Microsoft's kernel driver authentication procedures. A RomCom update. Beamer phishbait, email extortion attacks and digital blackmail. A new report concludes companies allowing personal employee devices onto their network are opening themselves to attack. Tim Starks from the Washington Post looks at Microsoft\u2019s recent woes. Our guest is Eyal Benishti from IRONSCALES with insights on business email compromise. And a July Patch Tuesday retrospective.\n\nFor links to all of today's stories check out our CyberWire daily news briefing:\nhttps://thecyberwire.com/newsletters/daily-briefing/12/131\n\nSelected reading.\nMitigation for China-Based Threat Actor Activity (Microsoft On the Issues)\nMicrosoft mitigates China-based threat actor Storm-0558 targeting of customer email (Microsoft Security Response Center)\nChinese hackers breach U.S. government email through Microsoft cloud (Washington Post)\xa0\nU.S. Government Emails Hacked in Suspected Chinese Espionage Campaign (Wall Street Journal)\nOld certificate, new signature: Open-source tools forge signature timestamps on Windows drivers (Cisco Talos Blog)\nStorm-0978 attacks reveal financial and espionage motives (Microsoft Security)\xa0\nMicrosoft: Unpatched Office zero-day exploited in NATO summit attacks (BleepingComputer)\xa0\nDiplomats Beware: Cloaked Ursa Phishing With a Twist (Unit 42)\nRussian hackers lured embassy workers in Ukraine with ad for a cheap BMW (Reuters)\nThreat spotlight: Extortion attacks (Barracuda)\nThe SpyCloud Malware Readiness And Defense Report (SpyCloud)\nJuly 2023 Security Updates (Security Update Guide - Microsoft Security Response Center)\nMicrosoft Releases July 2023 Security Updates (Cybersecurity and Infrastructure Security Agency CISA)\xa0\nMicrosoft July 2023 Patch Tuesday warns of 6 zero-days, 132 flaws (BleepingComputer)\xa0\nFortinet Releases Security Update for FortiOS and FortiProxy (Cybersecurity and Infrastructure Security Agency CISA)\nAdobe Releases Security Updates for ColdFusion and InDesign (Cybersecurity and Infrastructure Security Agency CISA)\xa0\nApple's Rapid Security Response Patches Causing Website Access Issues (SecurityWeek)\xa0\nSAP Security Patch Day \u2013 July 2023 (SAP)\nReturn of the ICMAD Critical Vulnerabilities in 2023 (Onapsis)\nLearn more about your ad choices. Visit megaphone.fm/adchoices