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Clearswift is an information security company based in the UK. It provides cyber-security solutions to protect business's data from internal and external threats. == History == Clearswift was originally founded as NET-TEL in 1982.〔(NET-TEL Computer Systems Ltd - News )〕〔(NET-TEL Computer Systems Ltd - Company - Profile )〕 One of the co-founders, John Horton, had previously worked at GEC and Acorn Computers.〔(The security of mutual support )〕 In 1988, NET-TEL launched ''Route400'', the world's first mail client for MS-DOS (using the X.400 protocol). It was later ported to other platforms.〔(NET-TEL Computer Systems Ltd - Products - Messaging Clients )〕〔(FT.com / Services & tools / Search )〕 1998, NET-TEL switched its main business to content filtering, as the popularity of the Microsoft Exchange Client took away the mail client market.〔 2001, NET-TEL was rebranded as Clearswift, after a round of venture capital fundraising.〔(Lyceum continues IT sector interest )〕 2002, Clearswift acquired Content Technologies from Baltimore Technologies, along with the MIMEsweeper brand.〔(Fortune favours bold Clearswift | Information Age )〕 Clearswift extended the MIMEsweeper line to include web and instant messaging filtering. These were marketed as protecting against the leakage of confidential company information on social networking sites - Clearswift argues that instead of banning Web 2.0 sites and services entirely, businesses can actually gain a competitive advantage by making use of them, provided their use is monitored.〔(Don't ban social networking sites: Careers - ZDNet Australia )〕〔(BBC - Radio 4 - In Business )〕 2003, the company received $6.07 million from its shareholders, including venture capital funds managed by Amadeus Capital Partners, BA Capital Partners, Cazenove Private Equity, and Kennet Partners.〔(Clearswift Secures $6.07 Million in Funding; Email Management Leader Moves Into Significant Stage of Growth )〕 Also, it was reported that Clearswift were the providers of a new email filtering system at the House of Commons, responsible for blocking Welsh language emails as "inappropriate content", and preventing MPs receiving copies of a Sexual Offences Bill.〔http://www.theregister.co.uk/2003/02/05/plaid_up_in_arms_as/〕 Clearswift would not confirm that the House of Commons was a customer, citing customer confidentiality reasons.〔 April 2005 Clearswift began to market an SMTP appliance (email gateway) based upon the technology.〔(Clearswift / News & Events )〕 January 2008, failure to renew a domain name caused loss of email services to 5% of Clearswift's customers.〔(Domain name gaffe )〕 Dec 2009, Clearswift sold the Deep-secure, Bastion and Flashpoint products in to a spin-off company, "Deep Secure".〔Deep Secure〕 November 2011, Clearswift was sold to Lyceum Capital.〔(Lyceum Acquires Clearswift )〕 August 2012, Clearswift acquired Jedda Systems Pty Ltd.〔(Clearswift extends delivery Data Leak Prevention strategy )〕 in order to provide endpoint DLP in conjunction with its gateway based network DLP and provide growth.〔(Cybersecurity Ventures Top 500 )〕 February 2013, Clearswift acquired Microdasys in order to strengthen its web product line.〔(Clearswift strengthens commitment to safeguarding critical information )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Clearswift」の詳細全文を読む スポンサード リンク
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