Cyber Security

Home Depot shares slid more than 2% Tuesday as reports surfaced the home-improvement giant may have suffered a cyber breach.

Hackers who targeted JPMorgan Chase’s computer systems were trying to send a poignant message: Even the most secure systems can be infiltrated.

Advanced hackers in China that generally target intellectual property stole personal data from Community Health  in an unprecedented breach.

A leading cyber-security expert says transparency is the key to managing the mounting risks posed by cyber evildoers. 

A Russian national described by authorities as a “prolific” hacker of U.S. retailers’ computer networks has been arrested by the Secret Service.

A computer-security firm says it has found a flaw in a system payment-processing giant PayPal uses in adding extra security to customer accounts.

As cyber-attacks persist, venture capital firm Andreessen Horowitz is making a big bet that corporations continue to invest more in their digital defenses.

Research firm Errata Security reports that 300,000 servers remain vulnerable to the Heartbleed bug roughly two months after the bug was first identified.

BlackBerry is set to unveil a licensing deal with Amazon.com that will allow the Canadian smartphone maker to offer about 240,000 Android apps from Amazon's app store on BlackBerry's new devices, according to sources.

Climate Corp., a unit of seed giant Monsanto, reported a data breach that left some credit-card and employee information exposed.

Shares of FireEye edged into the green Wednesday even though millions of its shares became eligible for trade upon the expiration of a 75-day lockup. 

The retailer outlined a slew of new security enhancements after last year's massive data breach, and also named a new chief information officer.

Michaels, the nation’s largest arts and crafts chain, said it has identified and contained a data security breach that potentially compromised up to three million credit cards.

Companies are being hit by mafia-style extortion tactics carried out by hackers who conduct DDoS attacks or hold sensitive data hostage until they are paid a ransom. 

Target and one of its security vendors, Trustwave, were hit with another lawsuit earlier this week over the wide-scale data breach at the retailer.

Palo Alto Networks said it agreed to buy privately-held Israeli cyber security company Cyvera for about $200 million to expand its offerings that protect businesses from cyber attacks.

In the wake of massive data breaches at big-name retailers over the last several months, a new survey shows consumers are shifting their buying behavior and place the blame on retailers.

The beauty products retailer said credit card data from up to 25,000 customer accounts were compromised and may have been stolen in a breach of its systems.

Target said its security systems detected the massive breach that occurred during the holiday shopping season, yet the company didn’t follow up on the warning.

The tug-of-war over Ukraine has seeped into the cyber realm, marking the latest example of geopolitical conflicts increasingly playing out in cyberspace.