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.
Delve into an overview of 2021’s significant data breaches. Explore the most notable incidents and
Phishing emails are very common. They are spam emails that land in your inbox or
What is Email Phishing a Definition ‘Phishing’ is a cyberattack in which email is the
Protect your startup from threat with 7 key security tips. Expert insights to fortify your
Join our unique and growing pen-testing company and showcase your talent. We’re seeking skilled pen-testers
Explore these practical cybersecurity steps with OnSecurity’s guide. Make digital safety simple with seven effective
You can now explore the purpose and process of penetration tests (pen-tests), authorised simulated cyber-attacks
What is a penetration test and why should I get one? A penetration test (aka
Experience real-time communication with your penetration test testers during the testing process for enhanced collaboration
Discover OnSecurity’s innovative approach to penetration testing. Our client-collaborative efforts have streamlined booking to just
Discover effective strategies to streamline and simplify penetration testing. Learn how to alleviate the complexities
Look into IT Security through the eyes of a pen-tester. We’ll uncover the inner workings
Unveiling the origins of the first PC virus prank. Dive into the history of pioneering
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.
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.
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.
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.
Learn 3 essential steps to enhance your cybersecurity posture, and effectively mitigate emerging zero-day vulnerabilities for comprehensive threat protection.
Explore the challenge of vulnerabilities exploited before fixes. Learn how to address security gaps and protect against threats in this insightful discussion.
Here you can discover the history and impact of MyDoom, the fastest spreading and most damaging computer virus to date, on OnSecurity’s informative blog post
Explore the rise of social engineering threats. Understand how individuals are manipulated to divulge sensitive information, passwords, and financial details.
Protecting the data, valuables and account information related to your business has become even more vital as our workplaces have
Apple claims that its Mac computers are well protected by in-built antivirus features, and there is no need to worry about extra security – how true is this?
Delve into OnSecurity’s research on Go’s server-side template injection vulnerabilities, revealing potential for file reads and RCE exploits. Read more now.
This post explores each of the initial compromise methods for the TryHackMe x HackerOne CTF. Diving into the web security flaws and PHP tricks abused to gain access to the host webserver.
Safeguard your inbox against cyber threats. Explore our expert insights on spotting and avoiding phishing attempts to enhance your online security strategy.
Ready to experience the future of pentesting?
Discover how combining expert insight with automation leads to faster, more precise, and high-impact penetration testing.
