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.
University networks are complex, open, and high-value. See how penetration testing for universities finds the
Session management flaws are almost always developer errors. Learn how attackers exploit them, and the
From ransomware to data exfiltration, UK universities face growing cyber threats. Learn how to build
A single HTTP header. Fully client-controlled. Trusted completely by the server. In this Pentest Files,
A critical flaw in a password reset API handed attackers a full account takeover in
Complete guide to cybersecurity risk assessments: identify vulnerabilities, analyse threats, implement controls, and maintain compliance
Explore agentic AI security risks, including memory poisoning, NHI sprawl, and tool misuse, and how
Discover the key differences between web application pentesting vs network pentesting, when you need each
A practical guide to implementing Secure by Design in UK government product delivery. Covers
OnSecurity’s Pentest Files uncovers the latest vulnerabilities and real-life remediation steps to prevent businesses from
OnSecurity’s Pentest Files uncovers the latest vulnerabilities and real-life remediation steps to prevent businesses from
Learn what adversarial testing is, how red teaming secures AI systems, key attack scenarios,
Learn GDPR essentials: data protection principles, subject rights, breach management, and compliance tools to safeguard
Learn how to secure SaaS applications with expert strategies for data protection, access control, compliance,
Learn what ISO 42001 is, why it matters, and how businesses can implement AI governance,
University networks are complex, open, and high-value. See how penetration testing for universities finds the gaps your internal team can’t see.
From ransomware to data exfiltration, UK universities face growing cyber threats. Learn how to build resilience and protect sensitive data.
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.
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.
Protect patient data in healthcare with essential security measures, pentesting insights, and UK data protection guidance.
Technical debt increases breach risk, slows response, and drives up costs. Learn why security debt matters and how to manage it.
Discover how 2-step authentication secures business data from breaches. Compare MFA methods to strengthen your security.
Discover what an ISMS is and how it enhances your organisation’s information security. Read our clear guide to implement effective management systems.
Tom Keyte reflects on five years at OnSecurity- from infrastructure wins to security lessons, and how his role evolved beyond just writing code.
The EU AI Act sets strict rules for AI providers and users. Learn who it applies to, key risk categories, compliance steps, and what businesses must do to prepare.
OnSecurity secures award highlighting the breakthrough year of growth, innovation and AI-augmented cybersecurity
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
University networks are complex, open, and high-value. See how penetration testing for universities finds the gaps your internal team can’t see.
From ransomware to data exfiltration, UK universities face growing cyber threats. Learn how to build resilience and protect sensitive data.
A single HTTP header. Fully client-controlled. Trusted completely by the server. In this Pentest Files, Daniel shows how modifying one value in a routine API request was enough to pull user data from every organisation on a multi-tenant SaaS platform, no special privileges required, no complex exploit chain, just a for loop and an integer.
A critical flaw in a password reset API handed attackers a full account takeover in just two requests. See how our tester found it, how it works, and how to fix it.
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.
Build a secure software development cycle: integrate pentesting & shift security left. Guide for security leaders & developers.
Smishing, a form of cyber-attack that uses SMS messages to deceive victims, is on the rise. By exploiting human trust,
Explore SSDLC stages: From planning to deployment. Learn how to secure web apps effectively with OnSecurity’s solutions.
Exploring Cloud Security: Risks, Regulations & Remedies. Learn from incidents & strategies for robust cloud protection in an evolving digital landscape.
Discover how to mitigate financial risks from subdomain takeovers. Learn strategies to safeguard against reputational damage and data breaches.
How would we define Cybercrime? What do you imagine when you think of a cybercriminal? Do you envision an erratic,
Radar by OnSecurity: an advanced tool for threat intelligence. Learn its role in enhancing security, achieving ISO certifications, and prioritizing threats.
The risks of typosquatting and its implications for online security. Explore cybercriminal tactics, real-world cases, and protective measures for your brand.
The best practices with OnSecurity’s cyber security checklist 2023. Identify crucial steps to protect data and systems from unauthorised access and threats.
Here we delve into the evolution of ransomware with OnSecurity’s article on Triple Extortion ransomware tactics that threaten not just data, but a companies reputation
Learn how external vulnerability scanning can support your organisation in achieving operational resilience in this blog.
Delve into an effective external vulnerability scanning strategy and adopt best practices. This guide offers a very comprehensive understanding of the role they play.
New report reveals increasing cyber threats to drilling rigs, potentially leading to severe safety incidents. Understand the emerging vulnerabilities.
New research shows the prevalence of email phishing as the top cyber threat, tricking firms into revealing information through reputable sender disguises.
CVE-2021-44228: A new high profile zero-day vulnerability affecting large number of Java applications through a vulnerable version of the widely-used library Apache log4j.
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