Comparison Overview
o2 Business (Telefónica Germany)

o2 Business (Telefónica Germany)
Georg-Brauchle-Ring 50, München, Bayern, 80992, DE
Last Update: 12/03/2026
Mehr als Mobilfunk, DSL, Cloud-Telefonie oder 5G-Lösungen - wir nehmen Business persönlich. Damit Sie erfolgreich sind. Wir freuen uns auf eine offene, partnerschaftliche Kommunikation mit Ihnen. Unsere Netiquette finden Sie unter https://b.o2.de/SoMe-Netiquette Daten...

AT&T
208 S. Akard Street, Dallas, 75202, US
Last Update: 17/07/2026
We understand that our customers want an easier, less complicated life. We’re using our network, labs, products, services, and people to create a world where everything works together seamlessly, and life is better as a result. How will we continue to drive for thi...
Compliance Ranges Comparison

o2 Business (Telefónica Germany)







AT&T






Benchmark & Cyber Underwriting Signals
Incidents vs Telecommunications Industry Avg (This Year)
No incidents recorded for o2 Business (Telefónica Germany) in 2026.
Incidents vs Telecommunications Industry Avg (This Year)
AT&T has 661.9% more incidents than the average of all companies with at least one recorded incident.
Incident History - o2 Business (Telefónica Germany) (X = Date, Y = Severity)
o2 Business (Telefónica Germany) cyber incidents detection timeline including parent company and subsidiaries.
Incident History - AT&T (X = Date, Y = Severity)
AT&T cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

o2 Business (Telefónica Germany)

AT&T
FAQ
Latest Global CVEs
Use after free in Aura in Google Chrome prior to 150.0.7871.128 allowed a local attacker to potentially exploit heap corruption via a malicious file. (Chromium security severity: High)
Use after free in Ozone in Google Chrome on Linux prior to 150.0.7871.128 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Out of bounds read and write in V8 in Google Chrome prior to 150.0.7871.128 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Use after free in Cast in Google Chrome prior to 150.0.7871.128 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Use after free in Network in Google Chrome prior to 150.0.7871.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)