0P3N Blog
Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.



Cybersecurity has continued to evolve as hackers have discovered the profitability of hacking large companies. In 2020, we saw significant growth in many areas of cybersecurity[1]: 238% rise in attacks in the finance sector Cloud-based attacks increased by 630% between January and April Ransomware attacks increased by 148% Phishing attacks increased by 600% Average cost of cyberattacks was around ...


For IT professionals, it’s important to improve their skills continuously. Numerous information technology certifications are available from various certifying entities to help IT professionals advance into promotions or better positions. The Certified in Risk and Information Systems (CRISC) credential, awarded by ISACA, is a vendor-neutral certification designed for mid-career IT and IS risk, audit, and security professionals. What Is ...


header What is Physical Penetration Testing? Physical Penetration Testing is defined as a real-world intrusion attempt to see how attackers might gain physical access to the organization’s infrastructure, systems, or employees. It is also known as Physical Intrusion Testing. It aims to identify, expose, and improve the organization’s physical security and defense weaknesses that malicious hackers can exploit. BENEFITS OF PHYSICAL ...


The Computing Technology Industry Association (CompTIA) is among the most respected computer security associations worldwide. Since its foundation in 1982, CompTIA has developed numerous certifications to support assessing individuals in the computing industry, beginning with networking, hardware devices, and reaching cybersecurity. There are many certifications offered by CompTIA, the most popular ones among IT professionals are: Security+ Network+ In this article, ...


The Certified in Risk and Information Systems Control (CRISC) credential from ISACA is an enterprise-level risk management certification popular among IT professionals who work, or want to work, with identifying and implementing information system controls and risk management. The CRISC certification requires work experience with knowledge of corporate risk and the design of risk-based system controls. It is a leading ...


Computer viruses are one of the most popular terms for online security. Fortunately, almost everyone knows that computer viruses are something that you don't want on your computer. Unfortunately, once your computer becomes infected, it's not easy to remove it. They are often designed to be challenging to get rid of, and if you're not tech-savvy, it becomes even more ...


WHAT IS COMPUTER SECURITY? Computer security preserves computing systems by preventing and detecting any unauthorized attempt to use the computer. Prevention assists in ceasing unauthorized access, and detection assists in determining if someone who tried to break into the system was successful or not. Computer security is essential as it helps protect the personal information or organizational data resources stored on ...


What is offensive security, and why does it matter? Offensive security takes a proactive and adversarial approach to information security to help organizations prepare for the most sophisticated cyber threats. Summary: With the cyber threat landscape constantly evolving, businesses are now more proactive in securing their data and operations. From penetration testing to white hat hacking, security experts are now highly ...


Cyberattacks are increasing significantly in both sophistication and number. Protecting digital assets from the ever-increasing number of cyber threats has become a top priority for organizations worldwide. To counter the increased number of attacks, organizations employ various technological solutions, such as Firewalls, IDS, IPS, SIEM, and NDR. Despite all these defenses, cybercriminals still find ways to infiltrate IT networks and ...


Which jobs can one get with an OSCP certification? Although OSCP is an entry-level certification, it sets the foundation for a successful career in penetration testing. Here are some of the best opportunities. Summary: OSCP is a widely respected and highly specialized certification that can open new niches in information security. The certification’s true value lies either in getting an entry-level job ...