Proofpoint to buy Varonis Systems in $6.3 billion all — cash deal

Oct 15 (Reuters) — Cybersecurity company Proofpoint, owned by private equity firm Thoma Bravo, will buy data security firm Varonis Systemsin all-cash deal valued at about $6.3 billion, the companies said on Thursday. (Reporting by Jaspreet Singh in Bengaluru; Editing by Diti Pujara) ((Jaspreet.Singh@thomsonreuters.com; on X @i_jass;)