INCIDENT: Maersk Ransomware Attack

A NotPetya attack disrupted operations for two weeks, blocking access to systems the company relied on to operate shipping terminals. The incident temporarily shut down the Port of Los Angeles’ largest cargo terminal. The company lost $300 million in business disruption and equipment damage. Maersk had to undertake an almost complete infrastructure overhaul. They reinstalled 4,000 servers, 45,000 PCs and 2,500 applications over the course of ten days, a process that would normally have taken six months to implement.

Incident Date

June 27, 2017

Estimated Cost

$300M in business disruption


Type of Malware:

Threat Source:


  • Ransomware: The key lesson Maersk learned from battling the NotPetya attack
  • Cyberattack cost Maersk as much as $300 million and disrupted operations for 2 weeks



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