headquarters portland oregon one main place 1 key people guz malezis 2 president products tripwire enterprise tripwire log center tripwire ip360 tripwire for servers revenue us 86.2 million 2010 3 net income 4 million 2010 3 owner belden 4 number of employees 400 2013 300 2011 website tripwire.com tripwire inc. is a software company based in portland oregon 5 that develops markets and sells information technology it solutions that provide security and compliance automation . the company s software and hardware products provide organizations control over physical and virtual it infrastructure . background edit while a graduate student at purdue university gene kim tripwire s co founder and former chief technology officer 6 along with his professor dr. eugene spafford created the initial version of the software in 1992 . 7 8 this academic source release pioneered many techniques now used in intrusion detection 9 and received widespread support among corporate education and government security professionals . 10 history edit in 1997 gene kim co founded tripwire inc. the rights to the tripwire name and technology were attained and a commercial version of the product tripwire for servers was released soon thereafter . in 2000 tripwire contributed source code functionally equivalent to the academic source release to the open source community to enable open source tripwire . 11 in 2005 tripwire released the first version of tripwire enterprise the company s flagship product designed to help organizations with it configuration control by detecting assessing reporting and remediating file and configuration changes . in january 2010 tripwire announced the release of tripwire log center log and security information and event management siem software that stores correlates and reports log and security event data . citation needed the two products can be integrated to enable correlation of change and event data . tripwire enterprise and tripwire log center are software in what tripwire named the tripwire via suite . august 21 2009 tripwire acquired activeworx technologies from crosstec corporation . that includes log center security center event management and snort management center . revenues grew to 74 million in 2009 . 12 in october 2009 the company had 261 employees ; 13 that number grew to 336 by june 2010 . 14 by may june 2010 the company had over 5 500 customers . 14 and had announced that it had filed a registration statement with the securities and exchange commission for a proposed initial public offering of its common stock . 15 a year later the company announced its sale to the private equity firm thoma bravo llc ending its 86 million ipo plans . 16 ceo jim johnson cited the firm s failure to reach the 100 million revenue milestone in 2010 as well as changing ipo market expectations as reasons for not going through with the ipo . 17 the day following the acquisition the company laid off about 50 of its 350 employees . 18 johnson expects the company will eventually go public though it is unlikely to happen before 2015 . 17 in april 2013 tripwire acquired ncircle . 19 in december 2014 belden inc announced plans to buy tripwire for 710 million . 20 the acquisition was completed on january 2 2015 . 4 in september 2015 jim johnson retired as president and was replaced by gus malezis formerly vp of worldwide sales 2 references edit hunsberger brent january 22 2010 . another deal for a portland office tower . the oregonian . retrieved 23 january 2010 . a b tripwire business momentum continues to build in first half of 2015 . tripwire.com . 2016 03 08 . a b tripwire boosts 2010 sales by 16 % . portland business journal . march 3 2011 . retrieved 2011 05 25 . a b chertoff capital serves as exclusive investment banking advisor to tripwire in sale to belden for 710 million . chertoffgroup.com . tripwire signs five year lease with one main place in downtown portland . reuters . july 8 2008 . retrieved 2011 05 25 . an exciting day leaving tripwire to begin my next chapter in life . 2010 07 27 . retrieved 2012 12 17 . kim gene h. ; spafford eugene h. 1994 . the design and implementation of tripwire a file system integrity checker . proceedings of the 2nd acm conference on computer and communications security . acm press . gene spafford s personal pages spaf s students past and present . purdue university . retrieved 2011 05 25 . gene h. kim gene completed his bs degree in 1993 and his mscs at the university of arizona . he worked with me on the tripwire project through coast released on november 2 1992 . kim gene h. ; spafford eugene h. 1995 . experiences with tripwire using integrity checkers for intrusion detection pdf . purdue technical report csd tr 94 012 . acm press . the 60 minute network security guide first steps towards a secure network environment pdf . united states national security agency systems and network attack center . 2006 . open source tripwire . sourceforge . retrieved 2011 05 25 . rogoway mike january 19 2010 . tripwire reports 19 percent revenue growth . the oregonian . retrieved 20 january 2010 . rogoway mike october 19 2009 . some tech companies fly high in down times . the oregonian . retrieved 2011 05 25 . a b tripwire form s 1 registration statement . united states securities and exchange commission . retrieved 17 september 2010 . tripwire files registration statement for proposed initial public offering of common stock . press releases . tripwire . may 28 2010 . retrieved 2011 05 25 . ending ipo bid tripwire sold to private equity firm . portland business journal . may 11 2011 . retrieved 2011 05 25 . a b siemers erik may 11 2011 . ending ipo bid tripwire sold to private equity firm . portland business journal . retrieved 2011 05 25 . rogoway mike may 25 2011 . tripwire lays off about 50 following its sale . the oregonian . retrieved 2011 06 01 . tripwire laid off about 50 employees tuesday nearly 15 percent of its total work force a day after the portland network security company completed its sale to a private equity firm.but the layoffs would have happened regardless of that deal according to rekha shenoy tripwire s vice president of marketing . instead she said the company is rightsizing its work force to bring its headcount in line with industry peers . tripwire buys ncircle a san francisco network security company . the oregonian . 2013 03 11 . belden to buy cybersecurity firm tripwire for 710 million . investing.com . 2014 12 10 . retrieved from https en.wikipedia.org w index.php title tripwire company & oldid 708995861 categories companies based in portland oregoncomputer security software companiessoftware companies based in oregonsoftware companies established in 1997privately held companies based in oregon1997 establishments in oregonhidden categories all articles with unsourced statementsarticles with unsourced statements from may 2011 navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 8 march 2016 at 16 26 . text is available under the creative commons attribution sharealike license ; 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