Martyn Williams

Senior U.S. Correspondent

Martyn Williams covers Silicon Valley and general technology breaking news for the IDG News Service, and is based in San Francisco.

Inside the Russian hack of Yahoo: How they did it

Four charged, including Russian gov't agents, for massive Yahoo hack

Four charged, including Russian gov't agents, for massive Yahoo hack

The U.S. Federal Bureau of Investigation has charged four people, including two Russian state intelligence agents, for their involvement in a massive hack of Yahoo that affected half a billion accounts.

Trump to sign cybersecurity order calling for government-wide review

Trump to sign cybersecurity order calling for government-wide review

President Donald Trump is due to sign an executive order Tuesday that gives each cabinet official more responsibility for the safety of data within their agency.

US Park Service tweets were result of old Twitter passwords

US Park Service tweets were result of old Twitter passwords

Two instances of tweets from National Park Service accounts that became political hot potatoes in the last few days were the result of bad password management, according to officials.

The US has sanctioned Russia over election hacking

The US has sanctioned Russia over election hacking

The U.S. government has sanctioned Russia's main two intelligence agencies, four military intelligence officers and is kicking out 35 Russian diplomats over what it says was aggressive harassment of U.S. officials and cyber operations...

Trump, tech leaders avoided encryption and surveillance talk at summit

Trump, tech leaders avoided encryption and surveillance talk at summit

A Wednesday summit between some of the most powerful people in technology and president-elect Donald Trump covered a wide ground but avoided discussion on two of the biggest issues facing the industry: the use of encryption and...

With CIA choice, Trump picks a foe of Silicon Valley's encryption stance

With CIA choice, Trump picks a foe of Silicon Valley's encryption stance

In his nomination of Congressman Mike Pompeo to head the CIA, President-elect Donald Trump has picked someone who has supported NSA surveillance programs and been critical of Silicon Valley's stance on encryption.

Lost thumb drives bedevil US banking agency

Lost thumb drives bedevil US banking agency

A U.S. banking regulator says an employee downloaded a large amount of data from its computer system a week before he retired and is now unable to locate the thumb drives he stored it on.

The massive Yahoo hack ranks as the world's biggest -- so far

The massive Yahoo hack ranks as the world's biggest -- so far

When Yahoo said on Thursday that data from at least 500 million user accounts had been hacked, it wasn't just admitting to a huge failing in data security -- it was admitting to the biggest hack the world has ever seen.

Cisco to shed 5,500 staff in refocus on IoT, security, and cloud

Cisco to shed 5,500 staff in refocus on IoT, security, and cloud

Cisco Systems plans to lay off about 7 percent of its global workforce in a restructuring that will see it further focus on hot IT areas such as the Internet of things, security, collaboration, next-generation data centers and the...

Hackers hit Oracle's Micros payment systems division

Hackers hit Oracle's Micros payment systems division

Russian cybercriminals have infiltrated systems at Micros, an Oracle division that is one of the world's biggest vendors of point of sale payment systems for shops and restaurants, according to an influential security blogger.

Kimpton Hotels is investigating a possible payment card breach

Kimpton Hotels is investigating a possible payment card breach

Kimpton Hotels, operator of boutique hotels across the U.S., says it is investigating reports of a possible payment card data breach. If confirmed, it would become the latest in a string of successful attacks on hotel chain operators...

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