---
title: "Sixtus Sphere (@sixtusphere) | Hashnode"
description: "Founder of Sixtusphere — cybersecurity, simplified. Read the latest articles by Sixtus Sphere on Hashnode."
url: "https://hashnode.com/@sixtusphere"
---

@sixtusphere

# Sixtus Sphere

@sixtusphere · Anambra, Nigeria · Joined September 2026

Founder of Sixtusphere — cybersecurity, simplified.

### [A Decades-Old Programming Language Just Put Millions of Websites at Risk](https://sixtusphere.hashnode.dev/a-decades-old-programming-language-just-put-millions-of-websites-at-risk?utm_source=hashnode&utm_medium=feed)

A critical flaw in PHP, the language behind most websites, is being exploited. Here's what PHP2Shell is, who's at risk, and what to do about it.

4 min read · [sixtusphere.hashnode.dev](https://sixtusphere.hashnode.dev/a-decades-old-programming-language-just-put-millions-of-websites-at-risk?utm_source=hashnode&utm_medium=feed)

[Nov 3](https://hashnode.com/posts/a-decades-old-programming-language-just-put-millions-of-websites-at-risk/6ae987d7521bf0ca7079587f)

### [How Your Phone Number Gets Stolen Without You Touching Your Phone — Here's How Criminals Steal It](https://sixtusphere.hashnode.dev/how-your-phone-number-gets-stolen-without-you-touching-your-phone-here-s-how-criminals-steal-it?utm_source=hashnode&utm_medium=feed)

No link clicked, no password leaked, your account can still be emptied in minutes. Here's how SIM swap fraud works, and how to protect yourself.

7 min read · [sixtusphere.hashnode.dev](https://sixtusphere.hashnode.dev/how-your-phone-number-gets-stolen-without-you-touching-your-phone-here-s-how-criminals-steal-it?utm_source=hashnode&utm_medium=feed)

[Oct 27](https://hashnode.com/posts/how-your-phone-number-gets-stolen-without-you-touching-your-phone-here-s-how-criminals-steal-it/6ae07db170a3906705964064)

### [Never Send That 6-Digit Code — Here's Why](https://sixtusphere.hashnode.dev/never-send-that-6-digit-code-here-s-why?utm_source=hashnode&utm_medium=feed)

"I sent you a code by mistake" isn't a mistake, it's how scammers steal WhatsApp accounts. Here's how the scam works and the one setting that stops it.

7 min read · [sixtusphere.hashnode.dev](https://sixtusphere.hashnode.dev/never-send-that-6-digit-code-here-s-why?utm_source=hashnode&utm_medium=feed)

[Oct 19](https://hashnode.com/posts/never-send-that-6-digit-code-here-s-why/6ad5c8d50315134759d6caad)

### [The CAPTCHA That Tricks You Into Hacking Your Own Computer](https://sixtusphere.hashnode.dev/the-captcha-that-tricks-you-into-hacking-your-own-computer?utm_source=hashnode&utm_medium=feed)

A fake "verify you're human" screen tricked hotel staff into exposing 4,000 customers' data. Here's how ClickFix works, and how to spot it before it gets you.

7 min read · [sixtusphere.hashnode.dev](https://sixtusphere.hashnode.dev/the-captcha-that-tricks-you-into-hacking-your-own-computer?utm_source=hashnode&utm_medium=feed)

[Oct 14](https://hashnode.com/posts/the-captcha-that-tricks-you-into-hacking-your-own-computer/6acf2f626dd4526987675d81)

### [Before the 115 Charges Against Man City, There Was One Phishing Email](https://sixtusphere.hashnode.dev/before-the-115-charges-against-man-city-there-was-one-phishing-email?utm_source=hashnode&utm_medium=feed)

Before the verdict, before the appeal, there was one phishing email in 2017. Here's how it happened — and the cybersecurity lesson every organization should take from it.

7 min read · [sixtusphere.hashnode.dev](https://sixtusphere.hashnode.dev/before-the-115-charges-against-man-city-there-was-one-phishing-email?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/before-the-115-charges-against-man-city-there-was-one-phishing-email/6ac356b593fac4039279ceac) [Oct 5](https://hashnode.com/posts/before-the-115-charges-against-man-city-there-was-one-phishing-email/6ac356b593fac4039279ceac)
