A staggering breach involving some 16 billion usernames and passwords—including accounts tied to major services such as Apple, Facebook, Google, GitHub, Telegram and even government portals—has recently been uncovered, marking one of the largest credential leaks in history.
Cybernews researchers unearthed 30 separate datasets—ranging from tens of millions to over 3.5 billion records each—hosted briefly on unsecured Elasticsearch or object-storage servers. Only one previously known dataset, containing 184 million records, had been flagged; the remainder are new, fresh, and potentially weaponizable.
According to experts, the breadth of this leak stems from infostealer malware that captures URL, username and password combinations. While there may be overlapping entries, the precise number of impacted individuals remains unclear—but rises every few weeks as new datasets emerge.
Security analysts warn that cybercriminals can exploit this data through automated credential-stuffing attacks, leading to account takeover, identity theft, phishing, and even crypto-asset theft . Those storing mnemonic phrases or wallets in cloud services are particularly vulnerable.
How to protect yourself:
- Immediately reset passwords across critical accounts.
- Enable multi-factor authentication (MFA) wherever possible.
- Use password managers or passkeys to generate and store strong, unique credentials .
- Monitor accounts for unusual activity and take care with suspicious links and emails.
Experts stress this breach is a wake-up call for both individuals and organizations. As Jawwad Malik from KnowBe4 explains: “Organisations must do their part to protect their users. And individuals must remain vigilant against any attempts to steal login credentials”. Meanwhile, Darren Guccione of Keeper Security labeled this incident a stark reminder of the vulnerabilities in weak cyber hygiene.
With no clear ownership of these datasets and no simple way to purge the information, the responsibility falls on users and service providers to bolster cyber defenses. The scale of this leak highlights a chilling truth: in today’s digital landscape, cybersecurity is a shared responsibility—and staying ahead requires constant vigilance and strong protective practices.