Inside BUNKR, the cybersecurity startup winning over the tennis world

Today’s top tennis players operate more like one-person conglomerates. They’re competing at the highest level while living out of suitcases and flying across continents, and handling the business side of their careers while on the move and in public view.

Prize money, visas, contracts—many of these logistics are handled in airport lounges, hotel lobbies, or anywhere with Wi-Fi, often on mobile devices that are far from secure.

In a world where their schedules can be unpredictable and their online exposure is constant, protecting personal data has become as essential as protecting their serve. A new ATP partnership underscores just how urgent that need has become.

Enter BUNKR, the all-in-one privacy and security app that has quickly become a trusted tool for players and their teams. In January, the ATP partnered with BUNKR to provide a co-branded version of the app and a free year of membership (after that, it’s $11.99 annually). Hundreds of players across the spectrum—Top 10 stars, rising juniors, and retired pros—have already signed on.

“As a membership organization we are always looking for tools to help our players succeed,” says Fernando Sanchez, Senior VP of Player Relations at ATP Tour. “They have complicated, demanding lives with year-round travel, and BUNKR enables them to organize their careers in a safe and simple way.

“We offer our players BUNKR accounts to store personal information, safely save passwords, and communicate with their teams.”

The app was created by entrepreneur Kurt Long and his son Trent Long, who previously worked in healthcare cybersecurity. While traveling, they realized how difficult it was for individuals to keep their essential information organized and protected—from passwords to passports—especially across multiple devices and locations. That idea became BUNKR Life LLC in 2020, and the BUNKR app launched in 2023. It soon caught on with families, executives, international travelers, and eventually professional athletes.

“The players and the agents and the coaches got to a point where they were like, ‘Man, we’re going to do something about this,’” said CEO and co-founder Kurt Long, speaking to Tennis.com exclusively via video chat. “We’re going to get organized, secure, get everything in one place, and when we share sensitive information, we’re going to do it with people we trust. And that’s been BUNKR.”

BUNKR provides bank-grade protection for users who need a secure place to store or exchange personal information. It combines a secure vault for documents (including travel papers, visa applications and medical records) with a password manager, private messaging, document scanning and encrypted notes.

Its standout feature is members-only messaging, which filters out spam and impersonators by allowing players to communicate only with verified contacts. For athletes whose social media inboxes are overflowing with scams or abusive messages—a trend the Longs say has increased alongside sports betting—that protection is invaluable.