Fileless malware, BEC, digital extortion and ransomware attacks all grew significantly between 2018 and the first six months of this year, according to new data from Trend Micro. The security giant blocked over 26.8 billion threats in the first half of the year, over 90% of which were email-borne, according to its mid-year roundup report, Evasive Threats, Pervasive Effects.

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