Varonis Threat Labs — Cyber Attacks, Breaches & Threat Activity

Related Threat Clusters

• Atlassian Rovo Vulnerability Exposes Enterprise Data via One-Click Attack

  A one-click prompt injection vulnerability, dubbed 'RovoBlast', was discovered in Atlassian's AI assistant Rovo, allowing attackers to exfiltrate sensitive data from connected services like Jira and Confluence. The…

  3 articles · Updated August 10, 2026
• Reprompt Attack Allows Data Theft from Microsoft Copilot with One Click

  Researchers have identified a new attack method called Reprompt that enables hackers to hijack Microsoft Copilot sessions with a single click. This vulnerability allows attackers to exfiltrate sensitive user data…

  3 articles · Updated January 15, 2026

Recent Intelligence Reports

• Atlassian Rovo AI Vulnerability Lets Attackers Steal Enterprise Data With a Single Click — Gbhackers · August 10, 2026
• Your Copilot data can be hijacked with a single click - here's how — Zdnet · January 15, 2026

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