Security agencies in the United Kingdom and United States have exposed malicious cyber campaigns targeting organisations involved in the coronavirus response – and given tips to stay safe. An advisory for international healthcare and medical research organisations has been published, advising staff to change any passwords that could be reasonably guessed to one created with three random words and implement two-factor authentication to reduce the threat of compromises. The UK’s National Cyber Security Centre (NCSC) and US Cybersecurity and Infrastructure Security Agency (CISA) have seen large-scale ‘password spraying’ campaigns against healthcare bodies and medical research organisations. The ‘advanced persistent threat’ (APT) groups target such bodies to collect bulk personal information, intellectual property and intelligence that aligns with national priorities. Paul Chichester, NCSC Director of Operations, said “Protecting the healthcare sector is the NCSC’s first and foremost priority at this time, and we’re working closely with the NHS to keep their systems safe. “By prioritising any requests for support from health organisations and remaining in close contact with industries involved in the coronavirus response, we can inform them of any malicious activity and take the necessary steps to help them defend against it. Bryan Ware, CISA Assistant Director of Cybersecurity, said: “CISA has prioritized our cybersecurity services to healthcare and private organizations that provide medical support services and supplies in a concerted effort to prevent incidents and enable them to focus on their response to COVID-19. ‘Password spraying’ is the attempt to access a large number of accounts using commonly known passwords. The NCSC previously revealed the most commonly hacked passwords which attackers are known to use to gain access to personal and corporate accounts and networks. This latest report follows a joint advisory published by the NCSC and CISA on 8 April about cyber criminals exploiting the coronavirus outbreak for their own personal gain. It is expected that the frequency of coronavirus-related cyber-attacks will increase over the coming weeks and months.