4 July 2009: the DDoS that revealed the Lazarus Group to the world
On 4 July 2009, hackers knocked over the websites of the White House, the Pentagon and the NYSE in a coordinated DDoS — …
TECHNOLOGY
Technology 175 posts
News, tutorials and takes on the tech world — with a heavy focus on information security.
Credential stuffing: what it is and how to protect your accounts
In June 2025, 16 billion leaked credentials were found online. How credential stuffing works, and how to protect your …
What is SIM swap: the phone-number scam that empties your bank account
SIM swap is when a criminal transfers your mobile number to a new SIM card and starts receiving all of your text …
How to use Bitwarden and stop reusing passwords (a practical guide)
Reusing passwords is an attacker's favourite shortcut. How to set up Bitwarden — free and open source — and have a …
How to secure your Wi-Fi router: 9 security settings
A default password, WPS switched on and outdated firmware make the router the easiest door to break down. Here are 9 …
NotPetya: the US$10 billion cyberattack, 9 years on
On 27 June 2017, a wiper disguised as ransomware left Ukraine and caused US$10 billion in damage. Maersk, Merck and …
What is quishing? The fake QR code scam
Scammers stick fake QR codes on tables, parking meters and bills to hijack your payment. Here's how quishing works and …
Crontab on Linux: how to schedule tasks automatically
The 5-field crontab syntax, practical backup and log-cleanup examples, the PATH mistakes that break the job, and when to …
A safer Windows 11: 10 settings to enable today
Defender and the firewall are on by default, but BitLocker, Controlled Folder Access and Core Isolation stay switched …
The "hi, mum" WhatsApp scam: how it works and how to avoid it
Photo, name and even the way of writing, all copied. Here are the two scams behind "hi mum, I've changed my number" and …