Twitter says that an unspecified number of its users may have been targeted by state-sponsored hackers seeking to unmask their identity. Separately, Trend Micro says Twitter has blocked an account that was posting image memes designed to remotely control malware-infected PCs.
In the latest edition of the ISMG Security Report, hear prosecutors discuss the indictments of two Iranians in connection with SamSam ransomware attacks. Also: Updates on allegations that Google is violating GDPR and cryptocurrency's impact on crime trends.
A federal grand jury has indicted two Iranians for allegedly waging SamSam ransomware attacks on more than 200 entities, including Atlanta and other municipalities and six healthcare organizations. They collected $6 million in ransoms and caused more than $30 million in losses to victims, U.S. prosecutors allege.
Cybercrime gangs continue to update or issue fresh versions of malware to mine for cryptocurrency, deliver crypto-locking ransomware, steal passwords and facilitate online bank account heists, according to new research reports.
A new, free decryptor has been released for "aggressive" crypto-locking ransomware called GandCrab. Researchers say GandCrab has come to dominate the ransomware-as-a-service market, earning its development team an estimated $120,000 per month.
Criminals wielding crypto-locking ransomware - especially Dharma/CrySiS, GandCrab and Global Imposter, but also SamSam - continue to attack. Insurance firm Beazley says cyber claims for ransomware have increased in recent months, with the healthcare sector hardest hit.
An Iowa eye clinic and its affiliated surgery center recently recovered from a ransomware attack on their common systems within one day and without paying a ransom. This case offers important reminders to other healthcare entities and their vendors about advance planning.
A slick ransomware-as-a-service operation called Kraken Cryptor has begun leveraging the Fallout exploit kit to help it score fresh victims, researchers from McAfee and Recorded Future warn. Absent offline backups, victims have little chance of recovering from its crypto-locking attacks.
Good news for anyone whose data has been crypto-locked by attackers wielding GandCrab, the year's most aggressive strain of ransomware: You may be able to get your data back, thanks to a free decryptor.
A tale of two different ransomware victims' responses: One Connecticut city says it had little choice but to pay a ransom to restore crypto-locked systems. But a North Carolina water utility hit separately says that rather than bow to criminals' demands, it will rebuild affected systems and databases.
The notorious GandCrab ransomware-as-a-service gang has released the latest version of its crypto-locking malware, backed by crypter service and exploit toolkit partnerships. But the gang's marketing savvy belies shoddy code-development practices, security firm McAfee finds.
Several days after the Port of San Diego was hit by a crypto-locking ransomware attack, incident response efforts remain underway and many port systems remain offline. Port officials say the attacker has demanded a ransom, payable in bitcoin, for the promise of a decryption key.
One mystery with the recently discovered payment card sniffing attacks against such organizations as British Airways and Newegg has been how attackers might have first gained access to the victims' networks. But a number of cybercrime markets sell such access, in some cases for as little as 50 cents.
Scotland's Arran Brewery fell victim to a Dharma Bip ransomware attack that infected its Windows domain controller and crypto-locked files and local backups, leading to the loss of three months' worth of sales data. The brewery refused to pay the attackers' two bitcoin ransom demand.