In San Francisco, cybercriminals are on the rise, especially targeting Microsoft 365 environments. The globally popular business email platform now makes up 52% of healthcare email breaches, a significant increase from 43% in the previous year. This concerning trend is highlighted in Paubox's latest report, "2025 mid-year email breach data reveals no signs of slowing down," which examined 107 healthcare data breaches related to emails in the first half of 2025. This data points to a growing threat to email security in the healthcare sector.