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The American clothing company Hot Topic announced they identified suspicious login activity on a series of Reword accounts. Hot Topic warns that a data breach might have compromised users` sensitive information. The retail chain has 675 stores across the U.S. and an online shop with roughly 10 million visitors monthly.
The investigation revealed that unauthorized parties launched automated credential stuffing attacks against Hot Topic`s site and mobile app from February 7th to June 21st, 2023. The threat actors used stolen account credentials which Hot Topic claim they did not obtain from them.
However, the company could not identify what was the source of the compromised login data. Also, they could not differentiate until this moment which accounts were accessed by malicious actors and which ones had legitimate logins. So, they notified all customers that had logged in during the attacks.
In the data breach notification letter they`ve submitted to authorities, Hot Topic stated that:
However, we determined that your account credentials were used to access your Hot Topic Rewards account during the time periods of suspicious login activity. We have not determined that any login to your Hot Topic Rewards account was unauthorized.
The Hot Topic notification letter
The Exposed Data and Potential Risks
According to Hot Topic, in the case of an unauthorized login, the compromised data were:
- the customer`s full name,
- email address and phone number,
- order history,
- birth date,
- the mailing address,
- the last four digits of the card number in case the customer had saved a payment card in their account.
Threat actors can use this kind of information to launch phishing campaigns or for identity theft. Therefore, Hot Topic advised their customers to stay vigilant, review credit reports and account statements, and reset credentials. Security specialists also recommend choosing a strong, unique password for each account, to avoid falling victim to credential stuffing attacks.
How to Protect Against Data Breaches
Credential management helps safeguard users` private data and keeps a company`s digital assets safe. In order to avoid data breaches, companies should apply certain cybersecurity measures:
- Implement multi-factor authentication
- Enforce network monitoring to stop and prevent data exfiltration
- Use end-to-end encryption to secure data transfer
- Patch known vulnerabilities and keep software updated
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