Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

On the afternoon of April 3, 2026, shoppers in Moscow discovered their contactless payments were dead. Payment terminals at Sberbank, VTB, and T-Bank - three of Russia's largest banks - threw errors simultaneously. The Moscow metro opened its turnstiles and waved commuters through. Restaurants reverted to cash. A zoo in the south of the country briefly stopped admitting paying visitors. The outage was not a cyberattack, a cloud failure, or a ransomware event. It was the Russian telecom regulator, Roskomnadzor, trying to block VPN traffic - and accidentally blackholing IP ranges belonging to its own critical banking infrastructure.

Working in cybersecurity means that you are constantly dealing with all kinds of potential threats. And that's why it's inherently important to find ways of improving that security, which can prove to be very challenging a lot of the time. But that's why cybersecurity professionals are continually relying on professional tools to get their job done. Here's what they are using.

Wireless performance is often discussed as if it were determined mainly by the radio chip, antenna type, or communication protocol. Those factors do matter, but they do not tell the whole story. In real products, PCB layout often has just as much influence on wireless behavior as the module itself.