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As always, scammers and phishers use newsworthy events to their advantage. The coronavirus pandemic is no exception. All over the worlds, security researchers observe phishing and scam attempts. Samples for studying and for awareness training are collected at various sites, including https://coronavirusphishing.com/. A large number of security researchers have joined forces to establish a cyber […]

Recently I’ve seen an increase in mail spambots identifying with the EHLO string EHLO ylmf-pc. These belong to (or at least stem from) the Cutwail botnet, originally observed as early as 2007. The following table shows the number of attempts over the last two weeks. The numbers are not overwhelming for a private mail server, […]