ransomware

City services for taxation and water bills have been offline for more than two weeks

No evidence yet that attackers extracted any data, or that the malware spread to any branches

Mixed reports suggest a relatively new form of ransomware, LockerGoga, is behind the firm’s IT issues

Sophisticated groups feed a cyber crime supply chain by selling corporate documents and IP to novice extortionists

New report suggests that a worldwide attack could hit more than 600,000 businesses

Thought to be operating out of Russia, attackers demanded a 500 bitcoin ransom

Zurich Insurance has cited a "nation-state action" exclusion

CryptoMix uses information lifted from children's charities to coerce victims into ransom payments

The top free and paid ransomware tools available right now to protect you from hackers

The top free and paid ransomware tools available right now to protect you from hackers

In a wave of attacks spanning three years, the US government has charged the people behind it, but getting them in handcuffs won't be easy

An update to an earlier DHSC report estimates that £19 million was lost in patient care alone

The boards were down for two days while the company's engineers fixed the problem

Criminals hijacked PGA servers, locking officials out of crucial tournament files

Government deal with Microsoft will upgrade XP machines one year after WannaCry

Reports chart rise of ransomware and crypto-mining attacks

Victims still don't get files decrypted after sending money, says new report

What happens when UK firms experience security attacks?

US government claims to be “reviewing a range of options" in response to the findings

US government claims to be “reviewing a range of options" in response to the findings

Little has improved since WannaCry debacle, parliamentary committee hears