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Comparison Overview

SK TelecomSK Telecom
VS
OptusOptus
SK Telecom

SK Telecom

SK T-Tower, 11, Jung-Gu, 100-999, KR

Last Update: 31/08/2026

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100/1000Critical

SK Telecom has been leading the growth of the mobile industry since 1984. Now, we are taking customer experience to new heights by extending beyond connectivity. By placing AI at the core of its business, we are rapidly transforming into an AI company. We are focusin...

NAICS:517
NAICS Definition:Telecommunications
Employees:7,448
Subsidiaries:0
12-month incidents
2
Known data breaches
8
Attack type number
3
Optus

Optus

1 Lyonpark Road, Macquarie Park, 2113, AU

Last Update: 29/08/2026

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Between 0 and 549
http://www.optus.com.au
428/1000Critical

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions. Message our dedicated Social Media Care team at help.optus.com.au/contactus for 24/7 assistance with y...

NAICS:517
NAICS Definition:Telecommunications
Employees:11,105
Subsidiaries:7
12-month incidents
3
Known data breaches
4
Attack type number
3

Compliance Ranges Comparison

Based On Specific Ai Models Category
SK Telecom

SK Telecom

-
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
Optus

Optus

-
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)

SK Telecom has 2.04% more incidents than the average of same-industry companies with at least one recorded incident.

Incidents

Incidents vs Telecommunications Industry Avg (This Year)

Optus has 191.26% more incidents than the average of all companies with at least one recorded incident.

Incidents

Incident History - SK Telecom (X = Date, Y = Severity)

SK Telecom cyber incidents detection timeline including parent company and subsidiaries.

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

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

Optus 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...
SK Telecom

SK Telecom

Incidents
🔒 Incident : Breach
SK-LG-1786027269
🔒 Incident : Ransomware
SK-NEX1785198693
🔒 Incident : Breach
SK-1765527019
Optus

Optus

Incidents
🔒 Incident : Breach
TRADOMOPT1787978104
🔒 Incident : Ransomware
MEDOPT1786343034
🔒 Incident : Breach
OPTMEDQAN1784773430

FAQ

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

Latest Global CVEs

CVE-2026-82592
SUMMARY

A vulnerability was detected in D-Link DIR-825M 1.1.8. This affects the function sub_46725C of the file /boafrm/formDiskFormat of the component Disk Formatting Handler Endpoint. The manipulation of the argument partition results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.

PUBLISHED
Date2026-08-30
UPDATED
Date2026-08-30
RISK INFORMATION (Score: 9.9)
CVSS2
Base Score: 9.0
Complexity: LOW
AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS3
Base Score: 9.9
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS4
Base Score: 8.6
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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
6
EXPLOITABILITY
3.1
CVE-2026-82591
SUMMARY

A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action to fix this issue.

PUBLISHED
Date2026-08-30
UPDATED
Date2026-08-30
RISK INFORMATION (Score: 5.3)
CVSS2
Base Score: 4.3
Complexity: LOW
AV:L/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Base Score: 5.3
Complexity: LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS4
Base Score: 4.8
Complexity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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
3.4
EXPLOITABILITY
1.8
CVE-2026-82590
SUMMARY

A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handle_get of the file src/smf/nudm-handler.c of the component SMF. Executing a manipulation of the argument preemptCap can lead to reachable assertion. The attack may be launched remotely. Upgrading to version 2.8.0 is sufficient to fix this issue. This patch is called 4554405f29bffd7562abedbee63484825bd90cd5. You should upgrade the affected component.

PUBLISHED
Date2026-08-30
UPDATED
Date2026-08-30
RISK INFORMATION (Score: 4.3)
CVSS2
Base Score: 4.0
Complexity: LOW
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Base Score: 4.3
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS4
Base Score: 5.3
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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
1.4
EXPLOITABILITY
2.8
CVE-2026-82589
SUMMARY

A security flaw has been discovered in Open5GS up to 2.7.7. Impacted is the function amf_namf_comm_handle_n1_n2_message_transfer of the file src/amf/namf-handler.c of the component N1-N2 Message Handler. Performing a manipulation of the argument N1N2MessageTransferReqData.n2InfoContainer.smInfo.n2InfoContent.ngapIeType results in denial of service. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.8.0 is recommended to address this issue. The patch is named abf8a836564b966b5141110fc25ed413c4f17522. It is advisable to upgrade the affected component.

PUBLISHED
Date2026-08-30
UPDATED
Date2026-08-30
RISK INFORMATION (Score: 4.3)
CVSS2
Base Score: 4.0
Complexity: LOW
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Base Score: 4.3
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS4
Base Score: 2.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
1.4
EXPLOITABILITY
2.8
CVE-2026-82588
SUMMARY

A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.

PUBLISHED
Date2026-08-30
UPDATED
Date2026-08-30
RISK INFORMATION (Score: 4.3)
CVSS2
Base Score: 4.0
Complexity: LOW
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Base Score: 4.3
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS4
Base Score: 5.3
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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
1.4
EXPLOITABILITY
2.8