Comparison Overview
Level 3 Communications

Level 3 Communications
1025 Eldorado Blvd, Broomfield, 80021, US
Last Update: 01/04/2026
CenturyLink (NYSE: CTL) is a technology leader delivering hybrid networking, cloud connectivity, and security solutions to customers around the world. Through its extensive global fiber network, CenturyLink provides secure and reliable services to meet the growing digit...

A1 Telekom Austria Group
Lassallestrasse 9, Vienna, Vienna, AT, 1020
Last Update: 02/04/2026
WE ARE EMPOWERING DIGITAL LIFE We don't know what the world will look like in 2050, but we know that A1 Telekom Austria Group is geared up for current and future demands. We are a leading provider of digital services and communications solutions in Central and Eastern...
Compliance Ranges Comparison

Level 3 Communications







A1 Telekom Austria Group






Benchmark & Cyber Underwriting Signals
Incidents vs Telecommunications Industry Avg (This Year)
No incidents recorded for Level 3 Communications in 2026.
Incidents vs Telecommunications Industry Avg (This Year)
No incidents recorded for A1 Telekom Austria Group in 2026.
Incident History - Level 3 Communications (X = Date, Y = Severity)
Level 3 Communications cyber incidents detection timeline including parent company and subsidiaries.
Incident History - A1 Telekom Austria Group (X = Date, Y = Severity)
A1 Telekom Austria Group cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

Level 3 Communications

A1 Telekom Austria Group
FAQ
Latest Global CVEs
OpenStack Ironic through 38.0.0 may send a username and password to an unexpected remote host when Image Service is configured for HTTP(S) Basic Authentication.
An issue was discovered in OpenStack Keystone before 29.0.3. Tokens obtained via delegated authentication methods (EC2 credentials, application credentials, OAuth1 access tokens, and trusts) are not blocked from creating, modifying, or deleting credentials via the /v3/credentials API. EC2-derived tokens can additionally read credential blobs, exposing TOTP MFA seeds and other secrets. Also, PATCH /v3/credentials does not validate the requested post-update project_id, allowing any delegated token to move a credential to an unauthorized project. All Keystone deployments using delegated authentication are affected.
The administrative password is hashed using a comparatively weak, fast algorithm for the credential store backing one authentication path, and the file containing that hash is written with permissions allowing it to be read by any local user. This is inconsistent with a separate, stronger hashing algorithm used for the same password on another authentication path. A party able to read this file, including a local user or a party with access to a configuration backup, could feasibly recover the underlying password through offline computation, compromising the administrative credential across every path that accepts it.
An example environment-configuration file for a bundled inventory-management component ships with a fixed, publicly-known administrative password. A deployment that copies this example file into active configuration without running the setup routine that regenerates credentials will expose that component's administrative interface to anyone aware of the default value.
A prior update that raised a bundled HTTP client library to a version remediating known vulnerabilities was later reverted, reintroducing the earlier, vulnerable version into a log-processing component. The only code path in that component using the library issues a request to a single fixed, trusted vendor URL at initialization and does not process attacker-controlled input through the library, limiting practical exploitability of the reintroduced version in this context.