Jennifer Zack

@troublesome

Lagos, NigeriaJoined July 2025

About

I am into cybersecurity, building tiny tools, breaking bigger things (ethically). Here to learn, share & grow. Breaking down cybersecurity so you can build up your defenses. by using Tips, stories & lessons.

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Jennifer Zack's blogs

CyberSagecybersage.hashnode.dev12 posts

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Recently published

JZJennifer Zackcybersage.hashnode.devMay 25 · 4 min read

Webworm and the Future of Invisible Cyber Warfare

What makes the internet dangerous is no longer just cybercriminals looking for money. Sometimes, the biggest threats are the ones searching for information. That is exactly what the cyber espionage gr

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JZJennifer Zackcybersage.hashnode.devMay 18 · 4 min read

Viruses That Shook the World – Part 2: WannaCry

Introduction: The Day Computers Were Held Hostage In May 2017, a massive cyberattack spread across the globe at an alarming rate, infecting over 200,000 computers in more than 150 countries. Unlike tr

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JZJennifer Zackcybersage.hashnode.devApr 20 · 4 min read

Viruses That Shook the World – Part 1: The ILOVEYOU Virus

In May 2000, the world witnessed one of the most devastating cyberattacks in history—long before cybersecurity became a global priority. It didn’t start with a sophisticated exploit or a complex hacki

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JZJennifer Zackcybersage.hashnode.devMar 26 · 4 min read

One Code Away From Losing Your Account

You’ve seen it before. “Do not share this code with anyone.” And yet… people still do. That small 4-6 digit code you receive on your phone, your OTP (One-Time Password) might look harmless. But in rea

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JZJennifer Zackcybersage.hashnode.devFeb 19 · 2 min read

How Much Is Your Data Worth?

Let me ask you a serious question: If someone could buy your email, your passwords, your bank details, your identity… How much do you think it would cost? $10,000?$5,000?$800? Try something closer to the price of lunch. The Shocking Truth In undergro...

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Jennifer Zack

About

Available for

Jennifer Zack's blogs

Recently published

Webworm and the Future of Invisible Cyber Warfare

Viruses That Shook the World – Part 2: WannaCry

Viruses That Shook the World – Part 1: The ILOVEYOU Virus

One Code Away From Losing Your Account

How Much Is Your Data Worth?

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Jennifer Zack

About

Available for

Jennifer Zack's blogs

Recently published

Webworm and the Future of Invisible Cyber Warfare

Viruses That Shook the World – Part 2: WannaCry

Viruses That Shook the World – Part 1: The ILOVEYOU Virus

One Code Away From Losing Your Account

How Much Is Your Data Worth?