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.
The best practices with OnSecurity’s cyber security checklist 2023. Identify crucial steps to protect data
A simple bug in the ‘forgotten password’ and password reset mechanism led to a malicious
Penetration testing is a mostly manual process carried out by experienced consultants, using some of
Discover how one of our pentesters found that client-side security controls hadn’t been enabled in
Here we delve into the evolution of ransomware with OnSecurity’s article on Triple Extortion ransomware
Delve into an effective external vulnerability scanning strategy and adopt best practices. This guide offers
Discover why over half of UK businesses are hiring CISOs to combat cyber threats, with
New report reveals increasing cyber threats to drilling rigs, potentially leading to severe safety incidents.
Explore how remote working can define an organisation’s agility and crisis response, all while also
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
Defend against BlueKeep’s looming threats. Insights on securing systems from potential widespread attacks and common BlueKeep exploits. This blog will help you stay informed of threats.
Preventing complacency in testers is crucial to ensuring you have a successful test. Learn about why an alert and proactive testing approach is essential.
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.
Learn how OnSecurity evolved from the vision of a few founders to an industry-leading pentest provider, as shared by one of its founding members.
Learn how iOS penetration testing uncovers vulnerabilities in your mobile apps, ensuring robust security and protecting user data on Apple devices.
What are the differences between ISO 27001 and SOC 2, Type 2? How can I choose the right cybersecurity framework for my organisation?
Ensure your Open Banking APIs meet regulatory standards with robust security testing. Learn key methods, risks, and compliance best practices.
Discover the risks of using unsecured WiFi and learn effective strategies to protect your data. Read more to safeguard your online security today.
Discover the top 10 fintech app security vulnerabilities found in 2025, plus practical fixes to help your team improve security and reduce cyber risk.
Learn the essentials of hashing in cyber security, its importance, and practical applications. Discover how it protects data integrity—read more now!
Ensure secure fintech mergers with penetration testing best practices. Learn how to reduce risk, protect data, and support due diligence during M&A deals.
Discover the true cost of a retail data breach and why regular penetration testing is a smart, ROI-positive investment, not just a compliance requirement.
Discover the key differences between web application pentesting vs network pentesting, when you need each type, and why both are essential for comprehensive security.
A practical guide to implementing Secure by Design in UK government product delivery. Covers risk-driven design, lifecycle security activities, compliance with the PSTI Act, and how regular penetration testing keeps your security posture continuously validated.
OnSecurity’s Pentest Files uncovers the latest vulnerabilities and real-life remediation steps to prevent businesses from malicious attack. In this article we find out how our Head of Pentesting is able to hijack admin invitations to bypass the login wall in our clients infrastructure.
Learn GDPR essentials: data protection principles, subject rights, breach management, and compliance tools to safeguard personal data effectively.
Learn how to secure SaaS applications with expert strategies for data protection, access control, compliance, and threat detection.
Learn what ISO 42001 is, why it matters, and how businesses can implement AI governance, manage risk, and align with EU AI Act compliance requirements.
Learn how often to conduct cloud penetration testing based on your compliance needs, risk profile and cloud maturity level, from security experts.
Protect patient data in healthcare with essential security measures, pentesting insights, and UK data protection guidance.
Discover proactive security testing: prevent breaches before they happen, enhance compliance, and secure AI/LLM systems with continuous validation
Move beyond one-off pentests. Learn how to build a continuous assurance programme with regular testing, monitoring, and clear metrics that security leaders can track.
Discover how 2-step authentication secures business data from breaches. Compare MFA methods to strengthen your security.
Learn how supply chain attacks exploit third-party vulnerabilities and discover essential security measures to safeguard your business from costly breaches.
Discover what hackers can learn about your business online and how external attack surface discovery helps you reduce risk and strengthen security.
Discover the types of penetration testing, including network, web, mobile, cloud, API, and social engineering tests. Learn how to choose the right pentest.
Build a strong human firewall with effective security awareness training. Learn how to prevent social engineering and strengthen employee defences.
Ready to experience the future of pentesting?
Discover how combining expert insight with automation leads to faster, more precise, and high-impact penetration testing.