Breaches

Attestation

Exposed data

• Bank card numbers
• Dates of birth
• Email addresses
• Loyalty program details
• Phone numbers

In March 2023, data allegedly taken from СберСпасибо (SberSpasibo), the loyalty program of Russian bank Сбербанк (Sberbank), was published online . The data contained records relating to 48M users, including 3.3M unique email addresses alongside phone numbers and dates of birth. Data also included bank card numbers stored as unsalted SHA-1 hashes, plus loyalty program details such as membership dates and the redemption of bonus points for partner offers.

Attestation

Exposed data

• Charitable donations
• Citizenship statuses
• Dates of birth
• Education levels
• Email addresses
• Employers
• Ethnicities
• Family members' names
• Genders
• Job titles
• Marital statuses
• Names
• Occupations
• Phone numbers
• Physical addresses
• Places of birth
• Salutations
• Social media profiles

In November 2025, Harvard University suffered a data breach later linked to a ShinyHunters "pay or leak" extortion attempt . The data contained 851k unique email addresses relating to the university's alumni and fundraising systems, along with extensive profile information for donors, alumni, parents and some faculty, staff and students. In Harvard's disclosure notice , the university stated that the breach impacted "personal information such as email addresses, telephone numbers, home and business addresses, event attendance, details of donations to the University, and other biographical information pertaining to University fundraising and alumni engagement activities".

Attestation

Exposed data

• Email addresses
• Email messages

In September 2026, the German political party Alternative für Deutschland (AfD) suffered a data breach which exposed 345k unique email addresses. The following month, hundreds of gigabytes of data containing hundreds of thousands of emails and attachments was published online, with searchable AI-generated summaries and downloadable original files. An analysis of the incident reported that the breach was detected as early as 9 September, with a subsequent intrusion occurring five days later. In its public statement , AfD attributed the breach to an attack on a hosting provider, identified in subsequent reporting as the party-owned Alternita Dienstleistungs GmbH.

Attestation

Exposed data

• Dates of birth
• Email addresses
• Family members' names
• Government issued IDs
• Income levels
• Marital statuses
• Names
• Phone numbers
• Physical addresses

In September 2024, the French national pension fund Assurance Retraite suffered a data breach affecting approximately 370k assistance beneficiaries . The data included 70k unique email addresses along with names, dates of birth, physical addresses, phone numbers, income levels, marital statuses, French social security numbers (NIR) and contact details of relatives or other nominated contacts. In its disclosure notice, Assurance Retraite attributed the breach to a compromised partner account .

Attestation

Exposed data

• Booking details
• Email addresses
• Names
• Phone numbers
• Physical addresses

In May 2026, the French holiday rental network Gîtes de France suffered a data breach affecting some of its departmental branches. The incident exposed hundreds of thousands of customer records, including 118k unique email addresses alongside names, phone numbers, postal addresses and booking details.

Attestation

Exposed data

• Email addresses
• Employers
• Job titles
• Names
• Phone numbers
• Physical addresses
• Social media profiles

In January 2026, the private company intelligence platform Crunchbase was targeted in a ShinyHunters "pay or leak" extortion attempt . Data allegedly obtained from the company was subsequently published publicly and included 560k unique email addresses, largely belonging to leads and business contacts. Other data included names, physical addresses, phone numbers, job titles, employers and LinkedIn profiles. Crunchbase later confirmed that a threat actor had exfiltrated documents from its corporate network.

Attestation

Exposed data

• Dates of birth
• Email addresses
• Employers
• Genders
• Government issued IDs
• Job titles
• Marital statuses
• Names
• Phone numbers
• Physical addresses

In August 2026, the digital health company Sharecare was the target of a ShinyHunters "pay or leak" extortion campaign . The group subsequently published data it claimed was taken from Sharecare's systems, containing 318k unique email addresses. Most of the data consisted of B2B sales and marketing records with names, physical addresses, phone numbers, job titles and employers. The data also included a small number of Brazilian health insurance plan members, including dates of birth, genders, marital statuses and CPF numbers (Brazilian taxpayer identification numbers).

Attestation

Exposed data

• Email addresses
• Employers
• Job titles
• Names
• Phone numbers
• Physical addresses
• Salutations

In August 2026, the food and animal safety organisation Neogen was the target of a ShinyHunters "pay or leak" extortion attempt . The group later published data it claimed had been obtained from Neogen. The data consisted largely of corporate contact records and included 436k unique email addresses from mailing lists, employee records and other contacts.

Attestation

Exposed data

• Email addresses
• Employers
• Job titles
• Names
• Phone numbers
• Physical addresses
• Support tickets

In August 2026, data centre operator CyrusOne was the target of a ShinyHunters "pay or leak" extortion attempt . The group subsequently published data allegedly obtained from the company, which included 373k unique email addresses across records relating to users, sales leads and CyrusOne employees. The data largely consisted of corporate contact information, including names, physical addresses, phone numbers and job titles. It also included support tickets and other information related to the organisation's operations.

Attestation

Exposed data

• Email addresses
• Geographic locations
• Names
• Usernames

In October 2026, the Discord server protection service Double Counter suffered a data breach attributed to a vulnerability in the Metabase analytics tool . In its disclosure notice, Double Counter advised that attackers gained access to a subset of its data. A corpus of data was subsequently published publicly and contained 275k unique email addresses and Discord usernames. A small number of records belonging to paying subscribers whose purchases were processed via Stripe were also present and included names, countries and postcodes.