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.
Explore the rise of social engineering threats. Understand how individuals are manipulated to divulge sensitive information, passwords, and financial details.
One of the biggest growing problems in computer security is the growing proliferation of cyberattacks which are far more open
Here you can discover the history and impact of MyDoom, the fastest spreading and most damaging computer virus to date,
Explore the challenge of vulnerabilities exploited before fixes. Learn how to address security gaps and protect against threats in this
This post explores each of the initial compromise methods for the TryHackMe x HackerOne CTF. Diving into the web security
Dive into the alarming rise of Ryuk ransomware since 2018, which has accumulated over $150 million, showcasing its global financial
Explore the methods targeting LinkedIn users through phishing scams and gain insights into the everyday tactics used by cybercriminals to
Delve into the fascinating narrative of how a love letter altered the landscape of computer security perpetually. Uncover this tale
Delve into OnSecurity’s research on Go’s server-side template injection vulnerabilities, revealing potential for file reads and RCE exploits. Read more
Unravel the simplicity of gRPC with Project Crobat. Learn to streamline development with gRPC and empower your projects. Dive into
A compilation of tricks and checks for when a file upload is encountered in an offensive security test.
Apple claims that its Mac computers are well protected by in-built antivirus features, and there is no need to worry
A computer hacker in the US was able to gain access to the water system of Oldsmar in Florida and
The myths surrounding cloud security hesitancy. Gain clarity on common misconceptions and make informed decisions about cloud-based security solutions.
Learn 3 essential steps to enhance your cybersecurity posture, and effectively mitigate emerging zero-day vulnerabilities for comprehensive threat protection.
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.
Understand the most common high-impact penetration testing findings that OnSecurity’s testers discover and the steps to take to remediate them.
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.
The term “penetration testing” or “pentesting” might be familiar, but the different types available—and how each can enhance your business’s
Sometimes referred to as ‘internal infrastructure tests’, or ‘internal network tests’, internal penetration tests are the backbone of any thorough
Ethical hacking and penetration testing are essential cybersecurity practices that uncover security vulnerabilities by simulating attacks on an organisation’s network.
External penetration testing methodology: what is it and how does it work? External penetration testing is a crucial cybersecurity measure
Cybercriminals are no longer targeting just the big players. In fact, small businesses are firmly in their sights too. With
Cyber threats are evolving, and every business – large or small – faces potential risks. A single vulnerability in your network infrastructure can lead to data breaches, financial losses and reputational damage. Network penetration testing is a proactive approach to uncover and address these vulnerabilities.
Get insights into email phishing from an Ethical Hacking Veteran. Learn common tactics with real-world examples and practical tips for businesses & Individuals
Discover how you use Burpsuite Collaborator persistently for enhanced cybersecurity testing. Now it’s possible to leverage this tool more effectively.
Explore Kerberos abuse techniques on Linux with our comprehensive guide. Delve into the available tools and methods for effective Kerberos exploitation.
Explore the buffer overflow vulnerability in Easy Chat Server 3.1. Gain insights into this security issue and how to successfully these mitigate risks.
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
Ready to experience the future of pentesting?
Discover how combining expert insight with automation leads to faster, more precise, and high-impact penetration testing.