General security

Malware spotlight: what is ransomware?

Introduction Ransomware is a type of malware that is used to digitally extort victims. It does this by preventing them from accessing their systems or files

What are tagged and untagged ports?

Back in the old days, there were no such things as managed switches. Instead, modern Ethernet connections were handled by simple devices called hubs. There w

5 legitimate tools commonly used for malicious purposes

Introduction It should come as no surprise that there is quite a lot of malicious activity that can be accomplished with seemingly harmless tools. You could

Transitioning from DevOps to DevSecOps

Introduction DevOps is essentially the combination of software development and IT operations, and it is found in many enterprise environments. DevOps initial

Malware: What are rootkits?

Introduction Those looking to take advantage of computer users dream of being able to access computer systems of others without being detected. Couple that w

The PPTP VPN protocol: Is it safe?

It's not an exaggeration to say that tunneling protocols make the difference between hassle-free, secure B2B commerce and absolute chaos. These essential too

Concerns related to NFC technology for payments [Updated 2019]

NFC technology for payments: Any concerns? Near Field Communication (NFC) is shaping the future of mobility and is becoming the system of choice for mobile

8 ways to improve your organization’s security posture

Many businesses are still unprepared for deterring actual cyber-related attacks against their network, mobile devices, cloud systems and physical entities (I

Save Our Souls (SOS) [Updated 2019]

Natural disasters are unexpected events that can cause severe financial and environmental loss as well as the loss of human life. As an enterprise, it is our

Non-repudiation and digital signature [updated 2018]

What is a digital certificate? The digital certificate is a critical component of a public key infrastructure. It is an electronic document that associates