Proofpoint to acquire Israeli-founded Varonis for $6.3 billion
Proofpoint, owned by Thoma Bravo, will acquire Varonis Systems for $6.3B in cash. Varonis shareholders will receive $49.75 per share, a 52% premium. The deal is expected to close in H1 2027, subject to approvals. Varonis specializes in data security and reported $660M revenue over the past four quarters. Proofpoint focuses on email security and has seen strong growth since going private.
How this was made

The 30-second read
Why it matters
The deal is expected to close in H1 2027, after which VRSN will be delisted, removing it from public markets.
Market read
A major M&A in the cybersecurity space with a sizable cash premium, likely to move VRSN stock sharply and influence sector sentiment.
What to watch
Regulatory approval risk and integration challenges could delay value realization.
Background
Proofpoint, owned by Thoma Bravo, is acquiring Varonis in a $6.3 bn cash transaction, representing a 52% premium to VRSN's recent price.
Market effects
Consolidation in the cybersecurity sector may spur M&A activity and affect peer valuations.
Highlights continued investor appetite for Israeli cyber‑security firms.
Large‑scale cyber‑security deal underscores growing demand for data protection solutions worldwide.
Counterpoint
Some investors may short VRSN anticipating a post‑deal sell‑off once the premium is fully priced in.
Key entities
- AcquirerProofpoint
Private cybersecurity firm owned by Thoma Bravo.
- TargetVaronis Systems
Public cybersecurity company (NASDAQ: VRSN) being taken private.


