FlexBooker 2021 Data Breach
Productivity / Scheduling SaaS / Consumer / Enterprise
FlexBooker 2021 Data Breach: 3.7 Million Accounts Exposed via AWS Compromise
US online appointment-booking and scheduling SaaS.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
34/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
ElevatedExposed data raises the risk of fraud, targeting, and impersonation. Proactive steps are warranted.
3.8MRecords
2021Year
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Crucial data exposed
FinancialCredit Card
Breach Summary
In December 2021, FlexBooker suffered a breach exposing about 3.7 million accounts after its Amazon AWS account was compromised on December 23. Exposed data included email addresses, names and phone numbers, and for a small number of accounts, password hashes and partial credit-card data.
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
3.8M records analyzed
About FlexBooker
FlexBooker is a US software-as-a-service platform that businesses use to manage online appointment booking and scheduling for their customers.
Why They Hold Your Data
A booking platform holds end-customer identity and contact data, phone numbers, and for a subset password hashes and partial payment-card data, plus booking details.
Recent Developments
FlexBooker disclosed that its AWS account was compromised starting December 23, 2021; the stolen data was then circulated on hacking forums.
Data Points Exposed
5 verified field types
Credit Card Critical
Email Address
Full Name
Password High
Phone Number
Breach Impact
Because FlexBooker serves many businesses, the breach exposed end-customers across its clients' booking systems and drew scrutiny of its cloud-security posture.
Exploitation & Downstream Threats
• Credential stuffing against reused passwords across other platforms | • Financial fraud using exposed financial profile data | • SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses
Principal Risk Advisory
What this means for a principal
A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.
What You Should Do
- Reset any reused passwords and enable MFA on email first, then financial accounts.
- Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping and footprint neutralization: cross-reference against broker-available data and suppress still-removable elements, prioritizing address and phone, since this record re-seeds broker networks.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
Protect Yourself
Check If You're Affected
Enter your email to check whether your data appears in this breach. We’ll send a 6-digit code to confirm it’s your address.
Get Free Breach Alerts
Be the first to know when new breaches are disclosed. Free forever — confirm your email with a 6-digit code.
High-Risk? Get an Exposure Audit
Executives, public figures, and high-visibility operators can receive tailored exposure intelligence and hardening guidance.
Request Consultation