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Comparison Overview

o2 Business (Telefónica Germany)o2 Business (Telefónica Germany)
VS
AT&TAT&T
o2 Business (Telefónica Germany)

o2 Business (Telefónica Germany)

Georg-Brauchle-Ring 50, München, Bayern, 80992, DE

Last Update: 12/03/2026

View Profile
Between 750 and 799
https://www.o2business.de
752/1000Fair

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...

NAICS:517
NAICS Definition:Telecommunications
Employees:68
Subsidiaries:19
12-month incidents
0
Known data breaches
0
Attack type number
0
AT&T

AT&T

208 S. Akard Street, Dallas, 75202, US

Last Update: 17/07/2026

View Profile
Between 0 and 549
http://www.att.com
100/1000Critical

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...

NAICS:517
NAICS Definition:Telecommunications
Employees:194,164
Subsidiaries:6
12-month incidents
8
Known data breaches
27
Attack type number
4

Compliance Ranges Comparison

Based On Specific Ai Models Category
o2 Business (Telefónica Germany)

o2 Business (Telefónica Germany)

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA
AT&T

AT&T

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA

Benchmark & Cyber Underwriting Signals

Incidents vs Telecommunications Industry Avg (This Year)

No incidents recorded for o2 Business (Telefónica Germany) in 2026.

Incidents

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.

Incidents

Incident History - o2 Business (Telefónica Germany) (X = Date, Y = Severity)

o2 Business (Telefónica Germany) cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Incident History - AT&T (X = Date, Y = Severity)

AT&T cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Notable Incidents

Last Cyber / HR Incidents / Global...
o2 Business (Telefónica Germany)

o2 Business (Telefónica Germany)

Incidents
No explicit notable incidents reported.
AT&T

AT&T

Incidents
🔒 Incident : Breach
ATTIBM1781168591
🔒 Incident : Cyber Attack
OKTMICATTNVI1780611852
🔒 Incident : Breach
METORATICBANYAHATTADOAPPCOLGOO1777962591

FAQ

Between o2 Business (Telefónica Germany) company and AT&T company, which one has the best AI Cybersecurity Score ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has experienced more cyber incidents in the past ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has experienced more cyber incidents this year ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has experienced at least one ransomware attack ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has experienced at least one data breach ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has experienced at least one targeted cyberattack ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has experienced at least one vulnerability ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one holds the most compliance certifications ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one holds the fewest compliance certifications ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has the most subsidiaries ?
Between o2 Business (Telefónica Germany) company and AT&T company, which one has the largest number of employees ?
Between o2 Business (Telefónica Germany) and AT&T, which company holds both SOC 2 Type 1 certifications ?
Between o2 Business (Telefónica Germany) and AT&T, which company holds both SOC 2 Type 2 certifications ?
Which company is ISO 27001 certified - o2 Business (Telefónica Germany) or AT&T ?
Which company is PCI DSS compliant - o2 Business (Telefónica Germany) or AT&T ?
Between o2 Business (Telefónica Germany) and AT&T, which company complies with HIPAA regulations for healthcare data ?
Between o2 Business (Telefónica Germany) and AT&T, which company complies with GDPR requirements ?

Latest Global CVEs

CVE-2026-15905
SUMMARY

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)

PUBLISHED
Date2026-07-20
UPDATED
Date2026-07-20
IMPACT SCORE
NA
EXPLOITABILITY
NA
CVE-2026-15904
SUMMARY

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)

PUBLISHED
Date2026-07-20
UPDATED
Date2026-07-20
IMPACT SCORE
NA
EXPLOITABILITY
NA
CVE-2026-15903
SUMMARY

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)

PUBLISHED
Date2026-07-20
UPDATED
Date2026-07-20
IMPACT SCORE
NA
EXPLOITABILITY
NA
CVE-2026-15902
SUMMARY

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)

PUBLISHED
Date2026-07-20
UPDATED
Date2026-07-20
IMPACT SCORE
NA
EXPLOITABILITY
NA
CVE-2026-15901
SUMMARY

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)

PUBLISHED
Date2026-07-20
UPDATED
Date2026-07-20
IMPACT SCORE
NA
EXPLOITABILITY
NA