25+ Email Security Statistics, Facts & Trends (2025)

Microsoft Email Breach 2025. Phishing email Microsoft Q&A Microsoft has warned customers that some of their emails were accessed by Russian hackers during a breach on its internal systems in late 2023. The disclosure comes when Microsoft faces scrutiny from the US government over the security of its products and services against foreign entities

Microsoft Outlook Breach Widens in Scope, Impacting MSN And Hotmail Report Threatpost
Microsoft Outlook Breach Widens in Scope, Impacting MSN And Hotmail Report Threatpost from threatpost.com

The Russia-sponsored APT group appears to have increased its activity in an attempt to leverage secrets gained from the Microsoft email breach discovered in January. A security researcher has issued a warning to all 400 million users of Microsoft Outlook after discovering an email bug that could allow anyone to impersonate official Microsoft accounts.

Microsoft Outlook Breach Widens in Scope, Impacting MSN And Hotmail Report Threatpost

Last year, Microsoft also saw a worrisome breach when Chinese hackers accessed 25 organizations' email accounts using a Microsoft cloud security flaw In what Check Point's Harmony and Email Collaboration team. A security researcher has issued a warning to all 400 million users of Microsoft Outlook after discovering an email bug that could allow anyone to impersonate official Microsoft accounts.

Phishing email Microsoft Q&A. A security researcher has issued a warning to all 400 million users of Microsoft Outlook after discovering an email bug that could allow anyone to impersonate official Microsoft accounts. Additionally, in May 2024, a significant amount of data was posted to Telegram, consisting of 2 billion rows of data with 361 million unique email addresses.

Microsoft Executive Email Breach Lessons for SMBs and MSPs CyberHoot r/CyberHoot. This data is now searchable on "Have I Been Pwned" (HIBP) by both email domain and the domains of the targeted websites The Russia-sponsored APT group appears to have increased its activity in an attempt to leverage secrets gained from the Microsoft email breach discovered in January.