Timothy Clark
Timothy Clark
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Passwords are Rubbish
Passkeys eliminate the weakest link in our online lives, so in this column I unpack why passwords should be consigned to history.
Timothy Clark
Last updated on Dec 7, 2025
1 min read
Quishing: QR or QRn't?
Writing for the BCS IT Now magazine, I explore the emerging threat of Quishing and its ramifications.
Timothy Clark
Last updated on May 29, 2025
1 min read
Securing Your Wi-Fi: Easy Wins for Online Security
In this issue’s column, I explain how you can increase your safety and security online through simple changes — and reduce Wi-Fi vulnerabilities you may not even know about.
Timothy Clark
Last updated on May 29, 2025
1 min read
Why did my internet drop out?
Writing for the BCS IT Now magazine, I explore the wonderful world of broadband, ISPs and Wi-Fi with the goal of helping you better understand (and fix) your connection problems.
Timothy Clark
Last updated on May 29, 2025
1 min read
Navigating Data Loss Grief
Writing for the BCS IT Now magazine, I dive into data loss and recovery techniques.
Timothy Clark
Last updated on Aug 18, 2024
1 min read
Vishing in the Age of AI
Writing for the BCS IT Now magazine, I delve into vishing. With the rise of AI, they are starting to become more sophisticated.
Timothy Clark
Last updated on May 29, 2025
1 min read
Cookie Hijacking
Writing for the BCS IT Now magazine, I look at cookie hijacking. A classic hacking technique is increasingly being used to bypass two-factor authentication.
Timothy Clark
Last updated on Feb 23, 2024
1 min read
Practical Security
You set a secure password, composed of random words, numbers and symbols, you turned on biometrics, and set up two-factor …
Timothy Clark
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DOI
Practical Security
Tim Clark MBCS explains AI prompt injection, the difficulties associated with mitigating its potential effects, and the moves that can …
Timothy Clark
Cite
DOI
Practical Security: The perils of prompt injection
Writing for the BCS IT Now magazine, I explain the risks of prompt injection attacks on AI large language models.
Timothy Clark
Last updated on Nov 26, 2024
1 min read
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