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.
Russian national Peter Levashov, who was arrested in Spain last year and extradited to the U.S., has admitted to a two-decade crime spree that included running multiple botnets that harvested online credentials while also pumping out spam, banking Trojans and ransomware.
U.S. prosecutors have accused a 34-year-old North Korean man of involvement in some of the most destructive and profitable cyberattacks ever seen, including the WannaCry ransomware outbreak, the Sony Pictures Entertainment breach and the theft of $81 million from Bangladesh Bank.
Organizations should be on guard for attacks involving an apparent variant of Hermes ransomware - dubbed Ryuk - that attempts to encrypt network resources. It has already victimized several global organizations in the U.S. and elsewhere, according to a federal alert, which offers mitigation advice.
Ransomware creators, having already created "themes" for their crypto-locking malware ranging from Pokemon and horror movies to princesses and Donald Trump, have now debuted "Barack Obama" ransomware. In a sign of the times, the ransomware doubles as a monero cryptocurrency miner.
A WannaCry outbreak has hit unpatched Windows 7 systems at Taiwan Semiconductor Manufacturing Co., crippling its factories. The world's largest chipmaker, which traced the infection to a new software tool that it failed to scan for malware before installation, says the outbreak could cost it $170 million.
The cost of the city of Atlanta's mitigation and subsequent IT overhaul following a massive SamSam ransomware infection in March could reach $17 million, of which $6 million has already been budgeted for new devices, security enhancements as well as upgrades, according to news reports.
A "local network breakdown" - reportedly caused by a ransomware infection - led Chinese shipping giant Cosco to shut down all networks for its offices in the United States and seven other countries while it scrubbed and restored systems.
Hacker attacks are still dominating the data breaches added to the official federal tally so far this year. But compared to the mega-breaches of past years, this year's biggest hacks have been relatively small. Some security experts offer theories for why that's the case.