Cybersecurity – Page 2

GNU Radio v3.10.12.0: When Your Radio Runs More Than Just Signals

Advisories, Cybersecurity, TechnologyJanuary 21, 2026429ViewsShareTwitter FacebookEmailLink

https://visionspace.com/wp-content/uploads/2026/01/gnuradio-demo-v7.mp4 Written by: Tanner Smith, Andrzej Olchawa, Ricardo Fradique, Milenko Starcik GNU Radio is a widely adopted open-source framework for building Software-Defined Radio (SDR) systems. Used across research, industry, and critical communications domains, it provides flexible signal-processing blocks and a graphical interface, GNU Radio Companion (GRC), that allows users to rapidly design and execute flowgraphs. A…

What the Entra ID Flaw Means for Cloud Security

CybersecuritySeptember 25, 2025687ViewsShareTwitter FacebookEmailLink

If there was ever a wake-up call for the tech industry, Microsoft’s CVE-2025-55241 vulnerability is it. The flaw, discovered by security researcher Dirk-jan Mollema in July 2025, carried a perfect CVSS score of 10.0: the digital equivalent of a flashing red siren. In simple terms, this wasn’t just another patch-Tuesday headache. This vulnerability could have…

Tales from DEF CON 33: Starpwn CTF 2025

Corporate, Cybersecurity, SpaceSeptember 8, 2025803ViewsShareTwitter FacebookEmailLink

Visionspace is proud to be part of the great team contributing to Starpwn CTF 2025, a space-focused CTF hosted by the Aerospace Village during DEF CON 33. We wanted to come up with challenges for all skill levels but ultimately provide a realistic challenge for all teams. This would require players to dive deep into…

How End-to-End Encryption Keeps Your Messages Truly Private

Cybersecurity, Defense, TechnologyAugust 25, 2025847ViewsShareTwitter FacebookEmailLink

When you send a message, you probably assume no one else can read it, except the person you’re writing to. But in reality, digital communication is a complicated maze of servers, routers, and sometimes prying eyes. That’s where end-to-end encryption (E2EE) steps in, creating what many call the gold standard for message security. It doesn’t…

Satellites Forecasting Fires: A Global Perspective as Summer Peaks

Cybersecurity, Social, Space, TechnologyAugust 5, 2025819ViewsShareTwitter FacebookEmailLink

Southern Europe is on fire, quite literally. As of early August, large-scale wildfires are tearing through Portugal, Greece, and Turkey, with extreme heat and wind accelerating their spread. In Portugal, tens of thousands of hectares have already burned this season across Castelo Branco and Portalegre, where fire crews are now stretched thin. In Greece, blazes…

Untracked, Unrotated, Unsafe: The State of SSH Key Management

Cybersecurity, Defense, TechnologyJuly 22, 2025795ViewsShareTwitter FacebookEmailLink

SSH keys remain one of the most widely used yet least governed components of secure infrastructure. While their role in authentication is fundamental, particularly for system administrators, DevOps pipelines, and cloud access, their management continues to be inconsistent, fragmented, and frequently overlooked. This neglect creates operational risk, undermines compliance, and opens opportunities for lateral movement…