How an attack shut down a company (and what we can learn)

How an attack shut down a company (and what we can learn)

It looked like a normal Monday at a small accountancy firm. 8:45 a.m. Staff turned on their computers, opened the invoicing software and… nothing worked. Files were encrypted, the server was unreachable and a red warning appeared on screen:

“Your data has been locked. To recover access, send €3,000 in cryptocurrency.”
The company had just been hit...

NIS2 and GDPR: what these laws mean for everyday users

NIS2 and GDPR: what these laws mean for everyday users

In recent years we’ve heard more and more about the GDPR and now the new NIS2 directive.

They may look like complicated acronyms, but both share a goal: protect our data and make the internet safer for everyone.

This article explains — without jargon — what they mean, how they differ and how they affect your digital...

Safe online shopping: tips to avoid scams

Safe online shopping: tips to avoid scams

Online shopping has become part of everyday life. It’s quick, convenient and often cheaper.

But it’s also fertile ground for fraud, fake sites and phishing schemes. One click on the wrong shop can cost you money — or even your personal data.

The good news? With a few simple precautions, you can shop online with confidence and...

WhatsApp, Instagram and Facebook: 5 steps to secure your accounts today

WhatsApp, Instagram and Facebook: 5 steps to secure your accounts today

Social networks and messaging apps are part of everyday life. It’s where we talk to friends, share moments and, often, even handle work.

They’re also favourite targets for attackers. Unauthorised access can mean data theft, exposed messages, fraud, or even losing accounts for good.

The good news? With a few quick tweaks, you can greatly strengthen the...

Why you should update your phone and computer (and what happens if you don’t)

Why you should update your phone and computer (and what happens if you don’t)

How many times has “Update available” popped up on your phone or computer… and you decided to postpone it? It’s a common reaction — many people find it annoying, slow or even unnecessary.

But the truth is simple: updates are one of the pillars of your digital security. Ignoring them can open the door to attacks,...

Home Wi-Fi: a simple guide to protect your network from intruders

Home Wi-Fi: a simple guide to protect your network from intruders

Having Wi-Fi at home is no longer a luxury — it’s essential. But many people forget that an unprotected network can be a gateway for intruders: neighbours “borrowing” your internet, attacks on connected devices, and even theft of personal data.

The good news? With a few simple steps, you can secure your network and browse much...

Welcome to BlockandLocker

Welcome to BlockandLocker

We live surrounded by technology. Every day we use mobile phones, computers, social networks and online services — and with them come digital risks. BlockandLocker exists to make cybersecurity simple and accessible to everyone.

Here you’ll find:

Alerts about scams and ongoing attacks. Straightforward tips to strengthen your online security. Plain-English explanations of technical concepts. Real-world attack stories with practical...
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