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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The Petya ransomware just got a whole lot worse

The Petya ransomware now bundles a second file-encrypting program for cases where it cannot replace a computer's master boot record to encrypt its file table.

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Flash Player update fixes zero-day vulnerability and 24 other critical flaws

Adobe Systems has released a security update for Flash Player in order to fix a publicly known vulnerability, as well as 24 privately reported security flaws.

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Dangerous 7-Zip flaws put many other software products at risk

Two vulnerabilities recently patched in 7-Zip could put many software products and devices who bundle the open-source file archiving library at risk of compromise.

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US House of Representatives bans Yahoo Mail and Google App Engine over malware concerns

The IT department of the U.S. House of Representatives has blocked access to Yahoo Mail and the Google App Engine platform due to malware threats.

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Hackers are exploiting an unpatched Flash Player vulnerability, Adobe warns

Adobe Systems is working on a patch for a critical vulnerability in Flash Player that hackers are already exploiting in attacks, but has released other security patches for Reader, Acrobat and ColdFusion.

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Microsoft fixes actively attacked IE flaw and 50 other vulnerabilities

Microsoft released patches for 51 vulnerabilities Tuesday, including one affecting Internet Explorer that hackers have exploited in targeted attacks against organizations in South Korea.

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UK court declines to force alleged British hacker to decrypt his data

The U.K.'s National Crime Agency (NCA) failed in its attempt to use what critics described as a legal backdoor to force a suspected hacker to provide the decryption key for his data.

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Attackers are probing, exploiting ImageTragick flaws

Over the past week security researchers have seen increasing attempts by hackers to find servers vulnerable to remote code execution vulnerabilities recently found in the ImageMagick Web server library.

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Aruba fixes networking device flaws that could open doors for hackers

Wireless networking device manufacturer Aruba Networks has fixed multiple vulnerabilities in its software that could, under certain circumstances, allow attackers to compromise devices.

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Lenovo patches serious flaw in pre-installed support tool

Lenovo has fixed a vulnerability in its Lenovo Solution Center support tool that could allow attackers to execute code with system privileges and take over computers.

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Qualcomm flaw puts millions of Android devices at risk

A vulnerability in an Android component shipped with phones that use Qualcomm chips puts users' text messages and call history at risk of theft.

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Cisco patch stops attackers from taking over TelePresence systems

Cisco Systems has fixed a critical vulnerability that could allow attackers to take over TelePresence systems, as well as other high-severity flaws in Cisco FirePOWER and Adaptive Security Appliance devices.

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Apple patches vulnerable OS X Git version that put developers at risk

Apple has released a new version of its Xcode development tool in order to patch two critical vulnerabilities in the Git source code management client.

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Google turns on HTTPS for all Blogspot blogs

All blogs hosted on Google's blogspot.com domain can now be accessed over an encrypted HTTPS connection.

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Critical flaws in ImageMagick library expose millions of websites to hacking

A tool used by millions of websites to process images has several critical vulnerabilities that could allow attackers to compromise Web servers.