Equifax Data Breach: Hackers Used Sophisticated Techniques to Evade Detection
Hackers behind the 2017 Equifax data breach employed sophisticated techniques to evade detection. They exploited data compression and file splitting technology, extending the theft over time and blending in with legitimate traffic.
The hackers divided Equifax's stolen records into smaller files, making it harder to detect the breach. This method, provided by companies like Arxan and Security Innovation, allowed the hackers to transmit the data over extended periods. Encrypting outbound traffic further obscured their activity, making it indistinguishable from routine traffic.
The size of the stolen records also played a role. A single photo, for instance, contains more data than a text file listing personal information. This meant the hackers needed more time to download all the data, which they achieved by spreading the theft over time. The full data theft could not have occurred within a single IT-security-officer's smoke break, highlighting the breach's complexity and duration.
The Equifax data breach demonstrated hackers' evolving techniques. By compressing data, splitting files, and extending the theft over time, they evaded detection for months. Companies must now balance robust security measures with user convenience to protect against such sophisticated attacks.
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