CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins80% CONFIDENCEOverall confidence: 80%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Cisco's[1] newsroom release is dated 7 October 2013.Cisco closed its US$2.7 billion purchase of network-security company Sourcefire on 7 October 2013, paying US$76 a share in cash; Sourcefire founder Martin Roesch became chief architect of Cisco's Security Group.
$2.7B
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