Comparison Overview

Bell

VS

Ciena

Bell

1 carrefour Alexandre-Graham-Bell, Montreal, Quebec, CA, H3E 3B3
Last Update: 2026-04-01

We advance how people connect with each other and the world #ConnectionIsEverything. Bell is Canada's largest communications company providing advanced Bell broadband wireless, Internet, TV, media and business communications services. Founded in Montréal in 1880, Bell is wholly owned by BCE Inc. To learn more, please visit Bell.ca or BCE.ca Through Bell for Better, we are investing to create a better today and a better tomorrow by supporting the social and economic prosperity of our communities. This includes the Bell Let's Talk initiative, which promotes Canadian mental health with national awareness and anti-stigma campaigns like Bell Let's Talk Day and significant Bell funding of community care and access, research and workplace initiatives throughout the country. To learn more, please visit Bell.ca/LetsTalk

NAICS: 517
NAICS Definition: Telecommunications
Employees: 33,894
Subsidiaries: 6
12-month incidents
1
Known data breaches
2
Attack type number
2

Ciena

7035 Ridge Road, Hanover, 21076, US
Last Update: 2026-04-01
Between 800 and 849

Ciena (NYSE:CIEN) is the global leader in high-speed connectivity. We build advanced networks to support exponential growth in bandwidth demand—empowering our customers, partners, and communities to thrive in the AI era. With unparalleled expertise and innovation, our networking systems, interconnects, automation software, and services revolutionize data transmission and network management.

NAICS: 517
NAICS Definition: Telecommunications
Employees: 10,306
Subsidiaries: 2
12-month incidents
0
Known data breaches
0
Attack type number
0

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/bell.jpeg
Bell
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
https://images.rankiteo.com/companyimages/ciena.jpeg
Ciena
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
Compliance Summary
Bell
100%
Compliance Rate
0/4 Standards Verified
Ciena
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Telecommunications Industry Average (This Year)

Bell has 44.44% fewer incidents than the average of same-industry companies with at least one recorded incident.

Incidents vs Telecommunications Industry Average (This Year)

No incidents recorded for Ciena in 2026.

Incident History — Bell (X = Date, Y = Severity)

Bell cyber incidents detection timeline including parent company and subsidiaries

Incident History — Ciena (X = Date, Y = Severity)

Ciena cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/bell.jpeg
Bell
Incidents

Date Detected: 3/2026
Type:Ransomware
Motivation: Financial gain
Blog: Blog

Date Detected: 2/2025
Type:Ransomware
Motivation: Financial gain (ransom)
Blog: Blog

Date Detected: 01/2018
Type:Breach
Blog: Blog
https://images.rankiteo.com/companyimages/ciena.jpeg
Ciena
Incidents

No Incident

FAQ

Ciena company demonstrates a stronger AI Cybersecurity Score compared to Bell company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

Bell company has historically faced a number of disclosed cyber incidents, whereas Ciena company has not reported any.

In the current year, Bell company has reported more cyber incidents than Ciena company.

Bell company has confirmed experiencing a ransomware attack, while Ciena company has not reported such incidents publicly.

Bell company has disclosed at least one data breach, while the other Ciena company has not reported such incidents publicly.

Neither Ciena company nor Bell company has reported experiencing targeted cyberattacks publicly.

Neither Bell company nor Ciena company has reported experiencing or disclosing vulnerabilities publicly.

Neither Bell nor Ciena holds any compliance certifications.

Neither company holds any compliance certifications.

Bell company has more subsidiaries worldwide compared to Ciena company.

Bell company employs more people globally than Ciena company, reflecting its scale as a Telecommunications.

Neither Bell nor Ciena holds SOC 2 Type 1 certification.

Neither Bell nor Ciena holds SOC 2 Type 2 certification.

Neither Bell nor Ciena holds ISO 27001 certification.

Neither Bell nor Ciena holds PCI DSS certification.

Neither Bell nor Ciena holds HIPAA certification.

Neither Bell nor Ciena holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation results in out-of-bounds read. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Risk Information
cvss2
Base: 5.0
Severity: LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
cvss3
Base: 4.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
cvss4
Base: 5.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read in VS6ComFile!get_macro_mem_COM. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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
Description

V-SFT versions 6.2.10.0 and prior contain a stack-based buffer overflow in VS6ComFile!CSaveData::_conv_AnimationItem. Opening a crafted V7 file may lead to arbitrary code execution on the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read vulnerability in VS6MemInIF!set_temp_type_default. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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
Description

V-SFT versions 6.2.10.0 and prior contain an out-of-bounds read vulnerability in VS6ComFile!load_link_inf. Opening a crafted V7 file may lead to information disclosure from the affected product.

Risk Information
cvss3
Base: 7.8
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
cvss4
Base: 8.4
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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