On November 25, 2024, Microsoft 365 users around the globe encountered a significant disruption, with essential services like Outlook and Microsoft Teams going down. Thousands of frustrated users flooded platforms like Downdetector, registering issues that rendered them unable to access emails...
In a stark reminder of how dependent many businesses have become on technology, Microsoft’s critical communication tools—Outlook and Teams—have been experiencing significant outages. This disruption occurred on November 25, 2024, around the time European workers were starting their day, leading...
Original release date: February 18, 2020 | Last revised: June 30, 2020
Summary
Note: This Activity Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK™) framework. See the MITRE ATT&CK for Enterprise and Link Removed frameworks for all referenced threat actor...
access control
cisa
control systems
cybersecurity
data backup
data security
emergency planning
incident response
it networks
mitigation strategies
multipoint authentication
network segmentation
operational technology
ot networks
pipeline operations
productivityloss
ransomware
spearphishing
threat actor techniques
user training