More than a score of Texas cities have been hit with ransomware, crippling their municipal computer systems and accounting for one-third of all municipal ransomware attacks so far this year, according to Armor Defense Inc., a cloud-security company. It released a ransomware report Tuesday. Among the latest cities is Borger, …

Mastercard Inc. has become the first payment card network to join the NoMoreRansom initiative sponsored by Europol, a support-services organization for law-enforcement agencies in the European Union. Europol says the 3-year-old NoMoreRansom public-private partnership project has helped 200,000 ransomware victims recover their computer files free of charge and has prevented …

Not all security breaches are designed to steal data. Instead, an increasing number these days are programmed to hold data hostage. And the sums demanded by the malefactors behind so-called ransomware attacks are rising fast. The average ransom in the first quarter came to $12,762, up 89% just from the …

The Dutch payments processor Adyen is considering an initial public offering in June that could value the company at between $7 billion and $11 billion, Reuters reported. Adyen, whose U.S. operation is based in San Francisco, recently won a contract to process transactions for eBay Inc., which will start moving …

This malware is a nuisance to many, but could mean big trouble for payments companies. Criminals, much like legitimate businesses, know that the real money is in volume. They would rather have their malicious software on millions of computers than on just a few thousand. The wider the net, the …

In the literature and in conversations about it, ransomware appears as a curious oddity on the canvass of cybercrime, a menace for which a healthy dose of cyber hygiene will serve as a satisfactory antidote. The standard advice is: “Watch for shady Web sites and phishy emails, and you will …

Some cybercrooks are nothing if not accommodating. A new version of the so-called ransomware called CyberWall, for example, has made it easier for victims to make payments and get their data back. CyberWall 3.0, released early this week, includes new gateways for reaching the decryption site. The ransom note file …