# Hackers exploit SharePoint bypass, Snowflake hacker's threats to researcher backfire, CISA warns schools

Page: https://stenobird.com/podcast/cybersecurity-today-65508/hackers-exploit-sharepoint-bypass-snowflake-hacker-s-threats-to-researcher-backfire-cisa-warns-schools
Text version: https://stenobird.com/podcast/cybersecurity-today-65508/hackers-exploit-sharepoint-bypass-snowflake-hacker-s-threats-to-researcher-backfire-cisa-warns-schools.md
Podcast: [Cybersecurity Today](https://stenobird.com/podcast/cybersecurity-today-65508)
Published: 2026-08-17T01:00:00+00:00
Episode link: https://cybersecuritytoday.libsyn.com/hackers-exploit-sharepoint-bypass-snowflake-hackers-threats-to-researcher-backfire-cisa-warns-schools
Audio file: https://traffic.libsyn.com/secure/cybersecuritytoday/Hackers_exploit_SharePoint_bypass_Snowflake_hackers_threats_to_researcher_backfire_CISA_warns_schools.mp3?dest-id=679928
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Duration seconds: 562

## Resource

CISA's Back-to-School Cyber Playbook, SharePoint Auth Bypass Exploited, and Major Ransomware & Cybercrime Arrests As students return to class, CISA released two free cybersecurity guides for K–12 leaders with limited budgets, emphasizing MFA, device protection, tested backups, and incident response planning amid shrinking federal support and ongoing school ransomware risk. Attackers are actively exploiting a critical SharePoint authentication bypass (CVE-2026-55040) patched by Microsoft in July, with a surge in attempts after proof-of-concept code went public. Ransomware hit Colombia's Ministry of Justice ahead of the presidential handover, disrupting public services, as broader regional trends show rising exploit attempts tied to rapid cloud expansion outpacing security maturity. Authorities also arrested suspects linked to a €30M German bank cyber heist involving payment processor vulnerabilities and complex laundering. Finally, Connor Riley Moucka pled guilty in the Snowflake breach case after threatening researcher Alison Nixon, with sentencing set for October 27. 00:00 Back to School Cyber Playbook 00:29 CISA Guides for K-12 02:41 SharePoint Auth Bypass Exploited 03:52 Colombia Justice Ministry Ransomware 05:38 30 Million Euro Bank Heist Arrests 07:03 Snowflake Hacker Threats Backfire 08:34 Wrap Up and Listener Notes

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