Target: 70 million cards compromised. Payday for Hackers? Billions.

TrustedSec's report on the Target breach describes a large-scale data breach affecting tens of millions of customers (reported up to ~70M), including credit card data and PII; it assesses the attack as sophisticated with long-term access to POS and server infrastructure, warns of widespread underground resale and phishing risk, and advises consumers to cancel cards, monitor credit, and be alert for scams.