Comparison Overview
Deutsche Telekom

Deutsche Telekom
Friedrich-Ebert-Allee 140, Bonn, 53113, DE
Last Update: 07/09/2026
Welcome to Deutsche Telekom. As one of the world's most valuable brands, we design innovative solutions and products in the areas of connectivity, networks, digitalization and security. #connectingyourworld At Deutsche Telekom, we believe that each and every one of us...

Ciena
7035 Ridge Road, Hanover, 21076, US
Last Update: 05/09/2026
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 n...
Compliance Ranges Comparison

Deutsche Telekom







Ciena






Benchmark & Cyber Underwriting Signals
Incidents vs Telecommunications Industry Avg (This Year)
Deutsche Telekom has 47.37% fewer incidents than the average of same-industry companies with at least one recorded incident.
Incidents vs Telecommunications Industry Avg (This Year)
No incidents recorded for Ciena in 2026.
Incident History - Deutsche Telekom (X = Date, Y = Severity)
Deutsche Telekom 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

Deutsche Telekom

Ciena
FAQ
Latest Global CVEs
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
A flaw was found in Podman. If an attacker can pass a crafted tar archive to the `podman load` command, they can create files on the host machine with the privileges of the user running Podman.
Integer overflow or wraparound vulnerability in Samsung Opensource Escargot allows attackers with write access to the bytecode-cache directory to cause a heap-based buffer overflow and denial of service via a crafted cache file. This issue affects Escargot: ac94df78493ee6fede286620d94f724e46b4d238.
Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in L7 content management pages that use eval() sinks, affecting the call board text and policy group handling components. Attackers can inject persistent script payloads through these pages to have malicious code executed in the context of other users viewing the affected content.