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.
Cyber threats are evolving, and every business – large or small – faces potential risks.
Cybercriminals are no longer targeting just the big players. In fact, small businesses are firmly
External penetration testing methodology: what is it and how does it work? External penetration testing
2024 has been a transformative year for the OnSecurity team, marked by progress and significant
Sometimes referred to as ‘internal infrastructure tests’, or ‘internal network tests’, internal penetration tests are
The term “penetration testing” or “pentesting” might be familiar, but the different types available—and how
Enforceable by January 2025, the EU’s Digital Operational Resilience Act (DORA) introduces a landmark EU
Firewall penetration testing is a method of locating, scoping, and penetrating a specific firewall to
External and internal penetration testing both exist as part of a broader cybersecurity strategy, supporting
Penetration testing is a crucial investment in your organisation’s cybersecurity, but understanding the associated costs
ISO 27001 and SOC 2, Type 2 are two of the most prominent regulatory frameworks
In the blink of an eye, artificial intelligence and emerging technology are shattering the old
Maximise your pentest impact with OnSecurity’s guide on leveraging reports to enhance your security posture
Many retailers face rising cyber threats. Discover key challenges and practical solutions to protect systems,
Discover what the Digital Operational Resilience Act (DORA) means for cybersecurity in the financial sector.
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.
Understand the most common high-impact penetration testing findings that OnSecurity’s testers discover and the steps to take to remediate them.
Many retailers face rising cyber threats. Discover key challenges and practical solutions to protect systems, data, and customer trust.
Protect your small business with our 7 essential cybersecurity tips. Learn about employee training, system updates, penetration testing, and MFA to safeguard against cyber threats and financial losses.
Discover how AI is transforming enterprise cybersecurity with smarter threat detection, proactive defence, and pentest automation.
Understanding the importance of cybersecurity for SaaS companies. Explore the awareness of threats and proactive measures to safeguard data and systems.
Duncan Butchart, VP of Sales at OnSecurity, shares insights into his 25-year career journey, the evolution of the cybersecurity industry, and how OnSecurity stands out with its expert team and customer-centric approach.
Learn what quishing is, how it works, and why it’s a major threat to businesses. Protect your data with OnSecurity’s penetration testing services.
Learn about brute force attacks in cyber security, how they work, types, signs to watch for, and ways to protect systems from unauthorised access and potential data breaches.
Ransomware can cripple businesses by locking critical data and demanding payment. Learn what ransomware is, how it works, and how penetration testing can help prevent attacks.
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.
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
Discover how generative AI is transforming cybersecurity for attackers and defenders. Learn the real risks, practical defensive applications, and future trends in AI-powered security.
Explore the rise of AI-generated code in vibe coding, its cybersecurity risks, and how to secure fast, intuitive development without sacrificing safety.
Penetration testing is a crucial investment in your organisation’s cybersecurity, but understanding the associated costs can be challenging. While there’s
External and internal penetration testing both exist as part of a broader cybersecurity strategy, supporting organisations in pinpointing vulnerabilities through
Firewall penetration testing is a method of locating, scoping, and penetrating a specific firewall to test an organisation’s network infrastructure.
Join Gus on a deep dive into crafting Jinja2 SSTI payloads from scratch. Explore bypass methods and various exploitation techniques in this insightful post.
Gain insight and learn responsible cURL usage and secure scripting practices in this essential OnSecurity blog on web requests and data transfers. Read now.
A Penetration Testing Pro shows how social engineering works in the real world. Hackers techniques, real-life examples and practical tips on staying safe.
What is social engineering? This blog will define what is meant by ‘social engineering’ in cybersecurity, providing a breakdown of the behavioural techniques that cybercriminals use to manipulate their victims into giving up confidential information or allowing hackers access to secure areas.
Discover the challenges of managing extensive database audits and our innovative solution using Elasticsearch, a custom Node tool, and PostgreSQL triggers.
Learn the definition of spear phishing and the potential threats it poses to businesses in this article, supported by real-life anecdotes of successful spear phishing attacks on organisations.
Discover the process and insights behind making Rapid7’s Project Sonar accessible and searchable. Explore the journey now within cybersecurity now.
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.
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?
Ready to experience the future of pentesting?
Discover how combining expert insight with automation leads to faster, more precise, and high-impact penetration testing.
