5 IT Security myths that have cost many companies dearly

by bogi.zkdesign | Oct 14, 2025 | IT security and awareness

Numerous harmful myths about IT security are circulating in the small and medium-sized enterprise (SME) sector. It’s common to hear business leaders say, “They won’t attack us, we’re too small,” or “We have antivirus software, we...

The History of telecommunications hacking – and why we still need to learn from it

by bogi.zkdesign | Oct 14, 2025 | Cybersecurity Trends and Stories

“Telecommunications is like the bloodstream of business: it flows ceaselessly, connects everything, and operates unnoticed—until someone interferes.” Today, it is natural for companies to use mobile phones, VoIP calls, SMS, or even networks of IoT devices...

A real-world network security case study: A critical VoIP device in an unsegmented network

by bogi.zkdesign | Oct 14, 2025 | Network security

Introduction – why is a network security audit important? In the digital age, the security of a company’s IT infrastructure is critically important. Often, only a thorough IT network security audit can uncover the hidden flaws that can lead to serious...

Unprecedented DDoS attack paralyzes OTP Bank – What does this mean, and how can we defend against it?

by bogi.zkdesign | Oct 14, 2025 | Protection against overload attacks

On April 10, 2025, the digital systems of OTP Bank were hit by an unprecedented overload cyberattack. As a result of the so-called Distributed Denial of Service (DDoS) attack, which lasted for several hours, the bank’s customers were periodically unable to...