Ax Sharma
Contributor
Ax Sharma is an experienced security researcher, engineer and tech columnist. He holds the British Government endorsement as an Exceptional Talent ("a recognized leader") in digital technology. Ax's articles, expert opinions and analyses have frequently featured on leading media outlets like Fortune, CIO, The Register and TechRepublic. His expertise lies in software development, vulnerability research, and web app security. Through responsible disclosure, Ax has previously exposed serious bugs and security vulnerabilities impacting major national and global organisations. In his spare time, Ax loves exploiting vulnerabilities ethically and writing about technology.
5 tips for a successful penetration testing program
Proper preparation is key to finding the real weaknesses and vulnerabilities in your network through a pentest. These are the five things you need to do before starting.
The state of the dark web: Insights from the underground
The rise of professional criminal gangs, malware as a service, and improved infrastructure for carrying out criminal activity are changing the dark web. Here's what that means for enterprise security.
The Windows Bad Neighbor vulnerability explained — and how to protect your network
Attackers could use the Windows Bad Neighbor vulnerability to perform remote code execution or create buffer overflows. Patches and workarounds are available.
Windows code-signing attacks explained (and how to defend against them)
Learn how code-signing attacks work and how to defend against them. It starts with patching.
Homomorphic encryption: Deriving analytics and insights from encrypted data
Homomorphic encryption allows safe outsourcing of storage of computation on sensitive data to the cloud, but there are trade-offs with performance, protection and utility.
4 best practices to avoid vulnerabilities in open-source code
Open-source code in public repositories might contain malware or unintentional vulnerabilities. Here's how to best manage finding and mitigating potential problems.
RDP hijacking attacks explained, and how to mitigate them
Attackers take advantage of a Windows Remote Desktop Protocol feature to take over previously disconnected sessions and appear as a legitimate user to gain system access and control,
5 best practices to secure single sign-on systems
Don't assume that SSO is inherently secure. Follow these recommendations to prevent unauthorized access due to authentication flaws.
John the Ripper explained: An essential password cracker for your hacker toolkit
One of the oldest password cracking and testing tools, John the Ripper is still an essential pen testing tool.
Lessons learned from the ANPR data leak that shook Britain
The recent ANPR data leak raised questions regarding privacy versus data security with public surveillance systems. How do private and public organizations maintain transparency while protecting personal data?
PrintDemon vulnerability explained: Its risks and how to mitigate
Microsoft has finally patched the decades-old Windows PrintDemon vulnerability, but exploitable devices might still be on your network.
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