Earlier this year Yahoo breached more than 450,000 login credentials as the result of a hack to Yahoo Voice. The hack was considered rather unsophisticated and the passwords were being stored in clear text, which is quite insecure. According to Yahoo, only 5% of the credentials were still valid on Yahoo, though the breach is still significant.
What can you, as a business, learn from this breach? First up, PC World offer these tips:
As PC World notes, no matter how secure the consumer had made his/her password, it still would have been breached in this case - it was more about password handling than password weakness, which we often talk about.