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.
Protecting the data, valuables and account information related to your business has become even more
Uncover the latest threat looming over government servers. The newfound vulnerability impacts Microsoft systems, leaving
Do you suspect a phishing attempt? Explore this guide for actionable steps on what to
Vulnerability scans look for known vulnerabilities in your systems, while penetration tests systemically exploit weaknesses
We love using Clubhouse to helps us develop our security projects
Learn proactive cyber threat prevention through threat modeling. Discover how to anticipate and mitigate security
Dive deeper into Spear Phishing, a sophisticated cyber attack targeting specific individuals to gain unauthorized
The continued impact of the pandemic has made working from home the new normal, rapidly
Craig has delved into his research on CVE-2019-11510, uncovering over 736 vulnerable hosts and sharing
Recruitment companies are a prime target for hackers. We go over the main aspects that
In this blog we uncover a huge data spill for Wishbone, revealing massive amounts of
Uncovering what went wrong with TravelEx. Investigating ransomware designed to take over the network and
CVE hunting within open-source applications – invaluable insights for identifying vulnerabilities, ensuring robust security in
7 effective strategies to improve your company’s security. Discover actionable steps to fortify your defences
Safeguard your inbox against cyber threats. Explore our expert insights on spotting and avoiding phishing
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.
Here Tristan demonstrates how to reset any user’s password by altering the password reset functionality, revealing a crucial cybersecurity vulnerability responsible for password reset bugs and consequential exploits.
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.
Welcome to our Pentest Files blog series. Each blog post will present an interesting or dangerous finding one of our
Because so much of life is carried out online these days, it’s essential that you take all the necessary steps
Vulnerability scans look for known vulnerabilities in your systems, while penetration tests systemically exploit weaknesses in the architecture. Which is best for your organisation?
Join Gus, explore advanced techniques for detecting and exploiting SQL Injection vulnerabilities in PostgreSQL-based web applications, ensuring robust security.
Explore the future of pentest reports as we unveil the next-generation approach. Discover what’s on the horizon for cybersecurity assessments and reporting.
Effortlessly obtain a penetration testing quote online without sales calls. Experience a streamlined, hassle-free process for your cybersecurity needs.
This post revolves around general analysis, exploitation and discovery of SQL Injection vulnerabilities in app using the Postgres DMBS. We
Maximise your pentest impact with OnSecurity’s guide on leveraging reports to enhance your security posture and confidently and quickly share results
Join Gus on a deep dive into crafting Jinja2 SSTI payloads from scratch. Explore bypass methods and various exploitation techniques in this insightful post.
Understand the Power of Secure Code: Enhance Business Security with Proactive Code Audits. Discover vulnerabilities, ensure compliance, and build trust.
Roles in software engineering are becoming more popular with advances in technology and require a key set of skills. Here we run through how to become a software engineer
Learn about spoofing in cyber security, how it works, common types, and how businesses can detect and protect against this growing cyber threat.
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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