Skip to content
ThreatCluster

92% of Exchange Servers in Germany Running Out-of-Support Software

First seen 2 Nov 2025, 16:14 UTC

Article Content

Browse articles
ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

Germany's infosec office (BSI) reported that 92 percent of Exchange servers in the country are still operating on out-of-support software. This situation follows Microsoft's termination of support for Exchange versions 2016 and 2019 on October 14, which was announced a year in advance. Despite prior warnings from Microsoft in September, the majority of the 33,000 public Exchange servers remain unupdated.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 182d ago How this analysis works

More articles in this cluster (2)

Following this threat?

Track Hafnium and Education in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed