Phishing attacks have seen an impressive 250% increase between January and December 2018. Microsoft observed as part of its Security Intelligence Report (SIR) Volume 24 that hosted servers and public cloud tools were adopted to make it easier to camouflage as legitimate services or products. Microsoft’s SIR team scanned and analyzed more than 470 billion email messages sent and received by its Office 365 customers for phishing and malware, providing a bird’s eye look over the evolution of the phishing methods and trends. 2018 was the year when threat actors made the switch from high maintenance ransomware campaigns to very lucrative and low effort cryptojacking campaigns.
Source: https://www.bleepingcomputer.com/news/security/microsoft-sees-250-percent-phishing-increase-malware-decline-by-34-percent/