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Comparison Overview

CalpineCalpine
VS
ConstellationConstellation
Calpine

Calpine

717 Texas Street, Suite 1000, Houston, 77002, US

Last Update: 04/04/2026

View Profile
Between 700 and 749
http://www.calpine.com
706/1000Moderate

A business unit of Constellation (NASDAQ: CEG), Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. Our fleet of 76 power plants in operation or under construction repr...

NAICS:22
NAICS Definition:Utilities
Employees:2,331
Subsidiaries:0
12-month incidents
0
Known data breaches
2
Attack type number
1
Constellation

Constellation

1310 Point Street, Baltimore, 21231, US

Last Update: 02/07/2026

View Profile
Between 800 and 849
http://www.constellationenergy.com
823/1000Good

Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading energy supplier to businesses, homes and public sector customers nationwide, including thr...

NAICS:22
NAICS Definition:Utilities
Employees:10,709
Subsidiaries:3
12-month incidents
0
Known data breaches
0
Attack type number
0

Compliance Ranges Comparison

Based On Specific Ai Models Category
Calpine

Calpine

-
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
Constellation

Constellation

-
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 Utilities Industry Avg (This Year)

No incidents recorded for Calpine in 2026.

Incidents

Incidents vs Utilities Industry Avg (This Year)

No incidents recorded for Constellation in 2026.

Incidents

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

Calpine cyber incidents detection timeline including parent company and subsidiaries.

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

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

Constellation cyber incidents detection timeline including parent company and subsidiaries.

No timeline data available
R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Notable Incidents

Last Cyber / HR Incidents / Global...
Calpine

Calpine

Incidents
🔒 Incident : Breach
HPECONCAL1770382364
🔒 Incident : Breach
CAL923072725
Constellation

Constellation

Incidents
No explicit notable incidents reported.

FAQ

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

Latest Global CVEs

CVE-2026-9693
SUMMARY

Mattermost versions 10.11.x <= 10.11.20, 11.7.x <= 11.7.5 Mattermost fails to remove thread membership records when a user is removed from or leaves a team, which allows a previously removed user who is later re-invited to the team to view private channel thread root post content and metadata via the team threads API.. Mattermost Advisory ID: MMSA-2026-00682

PUBLISHED
Date2026-08-17
UPDATED
Date2026-08-17
RISK INFORMATION (Score: 3.5)
CVSS3
Base Score: 3.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
IMPACT SCORE
1.4
EXPLOITABILITY
2.1
REFERENCES
CVE-2026-75587
SUMMARY

Mattermost Desktop App versions <=6.2 6.2.2.0 fail to redact the pre-auth secret when generating a diagnostics report, which allows a local attacker with access to a user's diagnostics report or log files to obtain the plaintext pre-auth secret configured for a connected server via inspecting the Server Connectivity (Step-3) diagnostics output. Mattermost Advisory ID: MMSA-2026-00716

PUBLISHED
Date2026-08-17
UPDATED
Date2026-08-17
RISK INFORMATION (Score: 3.6)
CVSS3
Base Score: 3.6
Complexity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
IMPACT SCORE
1.4
EXPLOITABILITY
1.8
REFERENCES
CVE-2026-75078
SUMMARY

A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /BSHRM1.php. Performing a manipulation of the argument course results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

PUBLISHED
Date2026-08-17
UPDATED
Date2026-08-17
RISK INFORMATION (Score: 4.3)
CVSS2
Base Score: 5.0
Complexity: LOW
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Base Score: 4.3
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS4
Base Score: 2.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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
REFERENCES
CVE-2026-67961
SUMMARY

An issue in O2OA v.10.0.2 allows a local attacker to execute arbitrary code via the the sandbox mechanism of the Invoke script execution.

PUBLISHED
Date2026-08-17
UPDATED
Date2026-08-17
IMPACT SCORE
NA
EXPLOITABILITY
NA
REFERENCES
CVE-2026-67919
SUMMARY

An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the PluginEndpoint.java, installFromUri method, and DefaultPluginApplicationContextFactory components

PUBLISHED
Date2026-08-17
UPDATED
Date2026-08-17
IMPACT SCORE
NA
EXPLOITABILITY
NA
REFERENCES