Threat Actors Exploit Calendar Subscriptions for Phishing and Malware Delivery
Overview
BitSight research highlights a significant cybersecurity threat where threat actors exploit calendar subscriptions to deliver phishing links and malware via hijacked domains. This method poses a serious risk as it can lead to social engineering attacks, potentially compromising sensitive information and systems.
Key Takeaways
- Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
- Affected Systems: Calendar applications, email clients, and users of hijacked domains.
- Action Required: Users should be cautious about accepting calendar subscriptions from unknown sources and regularly review their calendar settings for any unauthorized subscriptions.
- Timeline: Newly disclosed
Original Article Summary
BitSight research has revealed how threat actors exploit calendar subscriptions to deliver phishing links, malware and social engineering attacks through hijacked domains
Impact
Calendar applications, email clients, and users of hijacked domains.
Exploitation Status
This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.
Timeline
Newly disclosed
Remediation
Users should be cautious about accepting calendar subscriptions from unknown sources and regularly review their calendar settings for any unauthorized subscriptions. Implementing email filtering and security awareness training can also mitigate risks.
Additional Information
This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.
Related Topics: This incident relates to Phishing, Exploit, Malware.