OnSecurity's Latest Articles, News and Industry Tips
Security should be important to everyone. Our blog features articles regarding your business’ security and different aspects to consider.
Discover crucial insights on the actively exploited Microsoft zero-day vulnerability. Protect your systems with expert
Stay informed with the latest strategies tackling cybercrime as governments announce robust plans. Dive into
Microsoft email servers are being targeted by hackers after a series of vulnerabilities were detailed
Holyrood reports on the UK Government’s £700,000 fund initiative to expand the cyber security sector,
Learn how external vulnerability scanning can support your organisation in achieving operational resilience in this
CVE-2021-44228: A new high profile zero-day vulnerability affecting large number of Java applications through
Sony is a gigantic multipartite corporation that has been prone to multiple different types of
Google’s very impressive record: Zero successful phishing attacks on a massive workforce of 140,000+ employees.
New research shows the prevalence of email phishing as the top cyber threat, tricking firms
Explore the risks businesses face with internet-stored data and the prevalent distrust in online security,
“Online US retail giant Amazon has used its cloud operations to do a deal with
Catch Of The Week Did you know that Google has never been the victim of a successful
Online US retail giant Amazon has used its cloud operations to do a deal with
Welcome to our Pentest Files blog series. Each blog post will present an interesting or
Explore the rise of social engineering threats. Understand how individuals are manipulated to divulge sensitive
Look into IT Security through the eyes of a pen-tester. We’ll uncover the inner workings and provide in-depth insights for a comprehensive understanding.
Unveiling the origins of the first PC virus prank. Dive into the history of pioneering cyber mischief and understand the Elk Cloner Virus in OnSecurity’s blog.
The term “penetration testing” or “pentesting” might be familiar, but the different types available—and how each can enhance your business’s
Sometimes referred to as ‘internal infrastructure tests’, or ‘internal network tests’, internal penetration tests are the backbone of any thorough
External penetration testing methodology: what is it and how does it work? External penetration testing is a crucial cybersecurity measure
Cybercriminals are no longer targeting just the big players. In fact, small businesses are firmly in their sights too. With
Cyber threats are evolving, and every business – large or small – faces potential risks. A single vulnerability in your network infrastructure can lead to data breaches, financial losses and reputational damage. Network penetration testing is a proactive approach to uncover and address these vulnerabilities.
Mobile devices are firmly embedded as a huge part of daily life, and therefore making sure Android apps and devices
Maximise your pentest impact with OnSecurity’s guide on leveraging reports to enhance your security posture and confidently and quickly share results
What is Penetration Testing? Penetration Testing, otherwise known as “pentesting” or ethical hacking, is the beating heart of all good
Explore OnSecurity’s services and products for enhancing your organization’s security posture. Understand the importance of SOC 2 compliance requirements.
Discover now how our tester skillfully exploited multiple SQL injection vulnerabilities to extract valuable data from an application’s backend databases.
Highlighting a critical cybersecurity issue: Unauthorised access is inevitable wherever default credentials are used, underscoring the need for caution.
Cloud-native security systems are transforming the way businesses protect their digital assets. Built for the cloud, these systems offer dynamic and scalable solutions to defend against evolving threats. In this blog, we’ll explore what cloud-native security systems are and why they’re essential for modern businesses.
Discover how one of our pentesters found that client-side security controls hadn’t been enabled in our customer’s target application, allowing them to access features reserved for paying customers, as well as how we fixed it.
A simple bug in the ‘forgotten password’ and password reset mechanism led to a malicious takeover of an entire target application. Find out how this was fixed and secured.
Explore Docker’s security aspects: Understand how taking precautions is crucial to avoid vulnerabilities in this widely-used containerization platform.
Discover the key differences between vulnerability assessment and penetration testing, and learn which approach is right for your security needs.
Discover what ISO 27001 entails and how it can enhance your information security. Read our comprehensive guide to strengthen your security framework.
Discover the top emerging AI security risks in 2026, including AI-driven phishing, autonomous agents, model attacks, shadow AI, and governance gaps.
Build a proactive cybersecurity culture. Learn how CISOs can drive lasting behavioural change, boost awareness, and reduce cyber risks
Turn penetration test results into action. Follow this step-by-step remediation checklist to fix vulnerabilities and boost security.
Learn 9 key cybersecurity metrics boards care about to prove ROI, reduce risk, and align security with business goals.
Explore the top penetration testing challenges CISOs face in 2025 and how AI-powered continuous pentesting is reshaping security assurance.
Learn about LLM prompt injection attacks and exclusive tips and tricks on prompt injection defence in our latest expert blog.
LLM jailbreak guide: examples, attack types, and a practical testing checklist to identify vulnerabilities and boost model safety
Discover what AI red teaming is, why it’s essential for AI security, and how to start testing your systems for vulnerabilities before attackers do.
Discover how AI is transforming cybersecurity. Explore how hackers exploit AI, how defenders fight back, and who holds the upper hand in today’s AI cybersecurity battle
Discover essential LLM red teaming techniques to secure AI systems. Learn step-by-step frameworks, attack vectors & best practices.
Improve DevOps infrastructure security with post-pentest insights. Learn how to turn findings into action and protect your CI/CD pipeline effectively.
Explore the current cybersecurity AI arms race between hackers and defenders: how it’s being used, who has the edge, and what it means for the future.
Telecommunications providers are prime targets for nation-state actors and advanced persistent threats (APTs) due to their central role in national
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