HACKING

High-level targets around the world is constantly being bombarded by cyber-attacks, according to new research, highlighting the vulnerability of critical infrastructure in this globally connected era.

Websites run by Chinese human rights activists were hit by cyber-attacks over the weekend, highlighting increasing sophistication of efforts to censor dissident voices in China.

Twitter has temporarily disabled one of the features on its website after a security researcher warned of a programing flaw that left the login credentials of its users vulnerable to hackers.

A security research firm said it discovered another set of vulnerabilities in Internet Explorer, a day after Microsoft Corp patched the Web browser following a high-profile cyber attack on Google in China.

A flaw in Twitter's website has left the login credentials of its users vulnerable to hackers, according to a security researcher who has asked the social media company to fix the problem.

China on Friday rejected criticism by the Hillary Clinton over Internet censorship and warned the US not to allow the issue to damage bilateral relations.

Hillary Clinton made unrestricted Internet access a US foreign policy priority, and urged China to investigate alleged cyber-attacks originating from its borders.

Secretary of State Hillary Clinton on Thursday called for global condemnation for those who carry out cyber attacks as China sought to contain tension with the United States over online censorship and hacking.

Google Inc's threat to quit China over cyber attacks and censorship highlights U.S. fears that a more powerful Beijing is tapping government and corporate computer networks to steal secrets and to prepare for potential conflicts.

Microsoft Corp said it will issue a patch to fix the old version of its Internet Explorer browser that allowed recent attacks on Google Inc's network in China.

Microsoft Corp said it will issue a patch to fix the old version of its Internet Explorer browser that allowed recent attacks on Google Inc's network in China.

They are cloaked by pseudonyms and multiple addresses, but China's legions of hackers were thrust into the spotlight last week after Google said it suffered a sophisticated cyber-attack emanating from China.

Google is investigating whether one or more employees may have helped facilitate a cyber-attack from China that the U.S. search giant said it was a victim of in mid-December, two sources told Reuters on Monday.

China sought on Friday to play down a threat by Google Inc to quit the country on hacking and censorship concerns, but the United States said it will formally express concern over the cyber attacks the Internet search giant said originated in China.

Juniper Networks Inc said on Friday it was one of the victims of a cyber attack in China first brought to light by Google Inc, which has threatened to quit the country.

China sought on Friday to play down a threat by Google Inc to quit the country on hacking and censorship concerns, saying any decision by the Internet search giant would not affect U.S. trade ties.

The United States has backed Google's decision to no longer support China's censoring of Internet searches and said the issue was of considerable economic importance as well as involving free information flow.

Recent sophisticated cyber attacks on Google Inc and other businesses exploited a previously unknown flaw in Microsoft Corp's Internet Explorer browser.

U.S. Commerce Secretary Gary Locke urged China on Wednesday to ensure a secure commercial environment for Google and other U.S. companies after the world's top search engine said it may shut its Chinese-language website because of cyber attacks.

Google Inc and other companies were investigating on cyber attack by China and more details have emerged.

Cyber attacks disclosed by Google and Adobe that may lead Google to quit China highlight a sophisticated type of bespoke cyberspying that could be more widespread than previously thought.