Publicly disclosed information for this event

Summary

References

1. https://www.proofpoint.com/us/threat-insight/post/leviathan-espionage-actor-spearphishes-maritime-and-defense-targets

• Implement advanced email filtering systems to detect and block spearphishing emails.
• Educate employees about the dangers of spearphishing and how to identify suspicious emails.
• Enforce strict email access controls and authentication measures.
• Implement organizational measures to avoid scam.
• Limit the use of social networks or unallowed medias for professional activities.
• Monitor for unusual email activity, such as unexpected login attempts.
• Work with your CSIRT organization to know the Tactics, Techniques and Procedures used.