Lucian ConstantinRomania Correspondent, IDG News Service

Lucian Constantin writes about information security, privacy, and data protection for the IDG News Service.

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OEM software update tools preloaded on PCs are a security mess

Security researchers have found serious flaws that could lead to full system compromises in the software update tools installed on computers by five PC manufacturers.

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65 million Tumblr account records are up for sale on the underground market

A hacker is selling 65 million email addresses and hashed passwords stolen from Tumblr in 2013.

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Flaw in popular WordPress plug-in Jetpack puts over a million websites at risk

Owners of WordPress-based websites should update the Jetpack plug-in as soon as possible because of a serious flaw that could expose their users to attacks.

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Shared malware code links SWIFT-related breaches at banks and North Korean hackers

Malware links suggest that North Korean hackers might be behind recent attacks against several Asian banks, including the theft of $81 million from Bangladesh central bank earlier this year.

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New JavaScript spam wave distributes Locky ransomware

Over the past week, computers throughout Europe have been hit by a massive email spam campaign carrying malicious JavaScript attachments that install the Locky ransomware program.

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Up to a dozen banks are reportedly investigating potential SWIFT breaches

Up to 12 banks have reportedly launched investigations into potential security breaches on their networks after hackers stole $81 million from the Bangladesh central bank earlier this year.

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Celebrity hacker Guccifer's confession gives us all a lesson in security

A Romanian hacker known online as Guccifer pleaded guilty to hacking into 100 email and social media accounts belonging to American citizens, including former high-ranking government officials.

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Top-level domain expansion is a security risk for business computers

The explosion of new generic top-level domains (gTLDs) in recent years can put enterprise computers at risk due to name conflicts between internal domain names used inside corporate networks and domains that can now be registered on the public Internet.

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New DMA Locker ransomware is ramping up for widespread attacks

A new ransomware program called DMA Locker has reached maturity and shows signs of being distributed in widespread attacks.

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A recently patched Flash Player exploit is being used in widespread attacks

It took hackers less than two weeks to integrate a recently patched Flash Player exploit into widely used Web-based attack tools that are used to infect computers with malware.

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Worm infects unpatched Ubiquiti wireless devices

Routers and other wireless devices made by Ubiquiti Networks have been infected by a worm that exploits a one-year-old remote unauthorized access vulnerability.

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Cisco patches high severity flaws in its Web Security Appliance

Cisco Systems has fixed four denial-of-service vulnerabilities that attackers could exploit to cause Web Security Appliance devices to stop processing traffic correctly.

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TeslaCrypt ransomware victims can now decrypt their files for free

Victims of the widespread TeslaCrypt ransomware can now decrypt files affected by recent versions of the malicious program.

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A hacker is selling 167 million LinkedIn user records

A hacker is trying to sell a database dump containing account records for 167 million LinkedIn users.

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Stealthy malware Skimer helps hackers easily steal cash from ATMs

Security researchers have found a new version of a malware program called Skimer that's designed to infect Windows-based ATMs and can be used to steal money and payment card details.