US Justice Department sues to block HPE's acquisition of Juniper Networks.

Industry roundup: The US DOJ sued to block HPE’s $14B acquisition of Juniper, while Arctic Wolf completed its purchase of BlackBerry’s Cylance assets; Tenable moved to acquire Vulcan Cyber; Sectigo acquired Entrust’s public certificate business; JumpCloud bought Stack Identity; CHEQ acquired Deduce; and Searchlight Cyber acquired Assetnote. Funding highlights include Closinglock ($34M Series B), Seraphic Security ($29M Series A), Conifers.ai ($25M), Token Security ($20M Series A), and Hypori ($12M Series B extension). Executive changes include Matt Jones named CEO at ThreatModeler and Jason Magee appointed CEO at Cynet.