TORONTO — A shadowy group of cyber criminals that attacked a prominent nursing organization and Canadian Tire store has successfully targeted other companies with clients in governments, health care, insurance and other sectors.
Posts on their NetWalker “blog” indicate the recent infiltration of cloud-services company Accreon and document company Xpertdoc, although only the College of Nurses of Ontario has publicly acknowledged being victimized.
Experts say NetWalker surfaced about a year ago but its attacks took off in March as the criminals exploited fears of COVID and people working remotely. The ransomware, like similar malware, often infiltrates computer networks via phishing emails. Such messages masquerade as genuine, prompting users to provide log-in information or inadvertently download malware.
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