revenues. The business impact on FedEx is estimated to be $400m in 2018, according to the company's 2019 annual report. Jens Stoltenberg, NATO Secretary-General, pressed the alliance to strengthen its cyber defenses, saying that a cyberattack could trigger the Article 5 principle of collective defense. Mondelez International's insurance carrier, Zurich American Insurance Company, has refused to pay out a claim for cleaning up damage from a Notpetya infection, on the grounds that Notpetya is an "act of war" that is not covered by the policy. Mondelez sued Zurich American for $100 million in 2018; the suit was settled in 2022 with the terms of the settlement remaining confidential. Reaction Europol said it was aware of and urgently responding to reports of a cyber attack in member states of the European Union. The United States Department of Homeland Security was involved and coordinating with its international and local partners. In a letter to the NSA, Democratic Congressman Ted Lieu asked the agency to collaborate more actively with technology companies to notify them of software vulnerabilities and help them prevent future attacks based on malware created by the NSA. On 15 February 2018, the Trump administration blamed Russia for the attack and warned that there would be "international consequences". The United Kingdom and the Australian government also issued similar statements. In October 2020 the DOJ named further GRU officers in an indictment. At the same time, the UK government blamed GRU's Sandworm also for attacks on the 2020 Summer Games. Other notable low-level malware CIH (1998) Stuxnet (2010) WannaCry (2017) See also References Further reading 2017 in computing 2017 in Ukraine Cyberattacks Cybercrime Cybercrime in India Hacking in the 2010s June 2017 crimes Ransomware