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Comparison Overview

EastlinkEastlink
VS
AT&TAT&T
Eastlink

Eastlink

6080 Young St, Halifax, B3K 5M3, CA

Last Update: 29/08/2026

View Profile
Between 650 and 699
http://www.eastlink.ca
695/1000Weak

As Canada’s largest family owned and operated telecommunications company, Eastlink provides world-class mobile, TV, video entertainment and communications services to residential, business and public sector customers across Canada. Powered by state-of-the-art fibre and ...

NAICS:517
NAICS Definition:Telecommunications
Employees:1,388
Subsidiaries:0
12-month incidents
1
Known data breaches
1
Attack type number
1
AT&T

AT&T

208 S. Akard Street, Dallas, 75202, US

Last Update: 26/08/2026

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
10
Known data breaches
27
Attack type number
4

Compliance Ranges Comparison

Based On Specific Ai Models Category
Eastlink

Eastlink

-
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)

Eastlink has 48.98% fewer incidents than the average of same-industry companies with at least one recorded incident.

Incidents

Incidents vs Telecommunications Industry Avg (This Year)

AT&T has 870.87% more incidents than the average of all companies with at least one recorded incident.

Incidents

Incident History - Eastlink (X = Date, Y = Severity)

Eastlink 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...
Eastlink

Eastlink

Incidents
🔒 Incident : Breach
EAS1788013618
AT&T

AT&T

Incidents
🔒 Incident : Cyber Attack
MCDCITSHEVODVERATTGITCURAUSVMW1787509645
🔒 Incident : Cyber Attack
CMEVERCYRATT1787768910
🔒 Incident : Breach
ATTIBM1781168591

FAQ

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

Latest Global CVEs

CVE-2026-85456
SUMMARY

MOOS-IvP through 24.8.1 fails to properly validate variable names extracted from alog files in the SplitHandler, allowing attackers to write files outside the split directory. Attackers can supply crafted alog files with backslash sequences in variable names to escape the output directory and append to arbitrary files on Windows systems.

PUBLISHED
Date2026-09-03
UPDATED
Date2026-09-03
RISK INFORMATION (Score: 5.5)
CVSS3
Base Score: 5.5
Complexity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS4
Base Score: 6.8
Complexity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
IMPACT SCORE
3.6
EXPLOITABILITY
1.8
CVE-2026-85455
SUMMARY

MOOS core-moos through 10.4.0 contains a buffer over-read vulnerability in CMOOSCommPkt where a four-byte packet triggers out-of-bounds memory access during deserialization. Attackers can open a TCP connection to the MOOSDB port and send a crafted short packet to read memory before authentication.

PUBLISHED
Date2026-09-03
UPDATED
Date2026-09-03
RISK INFORMATION (Score: 8.2)
CVSS3
Base Score: 8.2
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CVSS4
Base Score: 8.8
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
IMPACT SCORE
4.2
EXPLOITABILITY
3.9
CVE-2026-85454
SUMMARY

MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer. Attackers controlling the serial line can send a full-length telegram to trigger the off-by-one write, corrupting the stack and potentially enabling code execution.

PUBLISHED
Date2026-09-03
UPDATED
Date2026-09-03
RISK INFORMATION (Score: 6.1)
CVSS3
Base Score: 6.1
Complexity: LOW
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS4
Base Score: 5.2
Complexity: LOW
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
IMPACT SCORE
5.2
EXPLOITABILITY
0.9
CVE-2026-85453
SUMMARY

MOOS core-moos through 10.4.0 fails to escape database contents when rendering MOOSDB HTTP pages, allowing attackers to inject malicious scripts. Any MOOS publisher can set variable values containing script payloads that execute in the browser of operators viewing the web interface.

PUBLISHED
Date2026-09-03
UPDATED
Date2026-09-03
RISK INFORMATION (Score: 6.1)
CVSS3
Base Score: 6.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS4
Base Score: 5.3
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
IMPACT SCORE
2.7
EXPLOITABILITY
2.8
CVE-2026-85452
SUMMARY

MOOS ui-moos through 50b9c6c contains a buffer overflow vulnerability in ScopeTabPane.cpp and ScopeGrid.cpp where client and variable names are formatted into fixed 1024-byte buffers using sprintf without length validation. Attackers can supply arbitrarily long MOOS identifiers that overflow the buffers when an operator selects process list entries or pokes variables, enabling code execution.

PUBLISHED
Date2026-09-03
UPDATED
Date2026-09-03
RISK INFORMATION (Score: 8.8)
CVSS3
Base Score: 8.8
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS4
Base Score: 8.7
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
IMPACT SCORE
5.9
EXPLOITABILITY
2.8