CSO's guide to the Target data breach *Updated 12/23*

Updated news, analysis and everything else you need to know about the Target data breach *New articles added 12/23*

Millions of Target shoppers woke up Thursday to news headlines that their credit or debit card information may have been compromised in the last month while shopping at the massive retailer.

Target, which confirmed the breach, said as many as 40 million accounts may have been impacted, and that the that the attackers behind the breach were active between November 27 and December 15.

CSO's news team is carefully following the developments of this story as it unfolds. Here is a comprehensive guide from CSO writers and contributors of news and analysis about the Target breach.

Target customer data said to be at risk after store thefts

Target falls victim to data compromise

Target confirms breach, but shoppers should keep a cool head

Attention Target shoppers: What you need to know about the credit breach

Salted Hash: Target breach never should've happened

How to explain the Target breach to friends, family and coworkers

Inside knowledge likely in Target breach, experts say

Raising awareness quickly: The aftermath of Target's data breach

5 Things you should do to protect yourself from Target data breach

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