Cybersecurity
An Attacker Quietly Read a Global Stock Exchange Executive’s Inbox for Five Months
For five months, an attacker silently read a senior executive’s Outlook mailbox at a major global stock exchange, exfiltrating in small batches through Dropbox and OneDrive. No CVE to hide behind. Five layers of defence were soft on the same endpoint, on both sides of the contract. The institution and its security vendor have questions to answer.
Jun 2026 · 6 min read