Sources: Meta has paused its work with Mercor while it investigates a security breach at the data vendor; OpenAI says it is investigating the security incident (Wired)
https://www.wired.com/story/meta-pauses-work-with-mercor-after-…
Meta Pauses Work With Mercor After Data Breach Puts AI Industry Secrets at Risk
https://www.wired.com/story/meta-pauses-work-with-mercor-after-data-breach-puts-ai-industry-secrets-at-risk/
Russia denies accepting security guarantees for Kyiv, contradicts Ukrainian official: https://benborges.xyz/2026/03/05/russia-denies-accepting-security-guarantees.html
IBM security executive emerges as possible contender to lead CISA
https://www.nextgov.com/people/2026/05/ibm-security-executive-emerges-possible-contender-lead-cisa/413291/
Instructure reported a data breach on April 30; ShinyHunters added Instructure to its victims list and claims it has 3.65TB of data from ~9K institutions (Ionut Arghire/SecurityWeek)
https://www.securityweek.com/edtech-firm-instructure-discloses-data-breach/
Reclaim Security, which uses AI-driven automation to remediate threat exposures, raised a $20M Series A led by Acrew Capital and a $6M seed (Chris Metinko/Axios)
https://www.axios.com/pro/enterprise-software-deals/2026/03/04/reclaim-se…
Former Trump and Biden AI advisers Dean Ball and Ben Buchanan urge bipartisan action on AI security risks, including tighter export controls and safety audits (New York Times)
https://www.nytimes.com/2026/05/04/opinion