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44 disclosed this week · 26,355 on record

RingCentral

Disclosed Jul 28, 20261,596,490 accountsConfirmed

Official notice

RingCentral social engineering breach exposes 1.6 million accounts

RingCentral disclosed a sophisticated social engineering campaign that let attackers steal customer data without affecting its core platform. ShinyHunters leaked 280 GB after a ransom refusal, and Have I Been Pwned counted 1.6 million accounts.

What is known

People affected1,596,490 (accounts in the leaked data, per Have I Been Pwned)
DisclosedJul 28, 2026
DiscoveredJul 2026
HappenedJul 27, 2026
AttackPhishing
Data exposedEmailsNamesPhone numbersAddresses
SectorTech · US
StatusConfirmed
Check your emailHave I Been Pwned

Sources

Notices filed

History of this record
source_type2026-09-25
aggregator to officialby seedSource
source_url2026-09-25
https://haveibeenpwned.com/Breach/RingCentral to https://www.ringcentral.com/trust-center/security-bulletin.htmlby seedSource
status2026-09-25
disclosed to confirmedby seedSource
verified_by2026-09-25
empty to researchby seedSource
verified2026-09-25
0 to 1by seedSource
country2026-09-25
empty to USby seedSource
attack2026-09-25
extortion to phishingby seedSource
disclosed2026-09-25
2026-08-13 to 2026-07-28by seedSource
discovered2026-09-25
empty to 2026-07by seedSource
summary2026-09-25
In July 2026, the cloud-based business communications platform RingCentral was the target of a ShinyHunters "pay or leak" extortion campaign . The group subsequently published data they claimed was obtained from the platform, which included to RingCentral disclosed a sophisticated social engineering campaign that let attackers steal customer data without affecting its core platform. ShinyHunters leaked 280 GB after a ransom refusal, and Have I Been Pwned counted 1.6 million accouby seedSource
title2026-09-25
empty to RingCentral social engineering breach exposes 1.6 million accountsby seedSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned), confirmed by Research. Record counts are as reported. Not legal advice.

Everything about RingCentral