Signal A.I CyberSecurity Scoring
Signal
Company Information
Website:http://www.teamsignal.com
Employees number:1,742
Number of followers:11,541
NAICS:5616
Industry Type:Security and Investigations
Homepage:teamsignal.com
Signal Risk Score (AI oriented)
Between 750 and 799
SignalSecurity and Investigations
Updated:
19/03/2026
19/03/2026
758/1000
Fair
Baa
Signal Global Score (TPRM)
xxxx
SignalSecurity and Investigations
Score locked

SignalFair
Current Score
758Baa (FAIR)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
758
JUNE 2026
758
MAY 2026
758
APRIL 2026
758
MARCH 2026
758
FEBRUARY 2026
758
JANUARY 2026
758
DECEMBER 2025
758
NOVEMBER 2025
758
OCTOBER 2025
757
SEPTEMBER 2025
757
AUGUST 2025
757
MARCH 2025
765
Vulnerability
25 Mar 2025 • Signal
Signal
APT44/Sandworm Exploitation of Signal App via Malicious QR Codes
756
CRITICAL-9
SIG150032625
Russian hackers, known as APT44 or Sandworm, exploited vulnerabilities in the encrypted messaging app Signal by using malicious QR codes. This breach enabled access to messages without breaking encryption, targeting Ukrainian military accounts and presenting global risks. While there's no direct evidence of infiltration in U.S. officials' Yemen discussions on Signal, the incident has raised alarms about the security of sensitive government communications. Signal has improved security measures post-incident, but concerns remain regarding the use of consumer apps for classified conversations, with potential implications for disinformation and national security.
INCIDENT DETAILS -
TYPE
MOTIVATION
IMPACT
DATA BREACH
REFERENCES
Frequently Asked Questions
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