London has begun a two-day international conference focused on the threat from cyber-security attacks.

伦敦已经开始主办一场为期两天的网络安全会议。

Representatives of 60 nations gathered to discuss how to tackle the rising levels of cyber-crime.

Foreign Secretary William Hague convened¹ the London Conference on Cyberspace², and urged a "global co-ordinated response" on policy.

However, Wikipedia founder³, Jimmy Wales, warned that ill-advised interventions⁴ posed their own risks.

The event came a day after intelligence agency GCHQ warned that cyberattacks on the UK were at "disturbing" levels.

Experts attending the conference included EU digital supremo（最高领导人） Neelie Kroes, Cisco's vice⁵-president Brad Boston and Joanna Shields, a senior executive at Facebook.

US Secretary of State Hillary Clinton had been due to attend, but cancelled the trip on Monday night after her 92-year-old mother fell ill.

Repression⁶

Mr Hague led the opening session.

"We want to widen the pool of nations and cyberusers that agree with us about the need for norms of behaviour, and who want to seek a future cyberspace based on opportunity, freedom, innovation, human rights and partnership⁷, between government, civil society and the private sector," he said.

However Mr Wales, who also took part in the first event, urged caution.

"The biggest threat to the internet is not cybercriminals, but misguided or overreaching government policy," he said.

Speaking later in the day, Prime Minister David Cameron appeared to agree that politicians should resist the temptation to be heavy-handed.

"Governments must not use cyber security as an excuse for censorship（审查制度） ," he said.

Mrs Clinton's speech was delivered by US vice president Joe Biden. He also warned against the dangers of a "repressive global code".

"What citizens do online should not, as some have suggested, be decreed solely⁸ by groups of governments making decisions for them somewhere on high," he said via a video-link address from Washington.