Though the second half of the year has been comparably calmer than the first half's database breaches at RSA, Sony, and Epsilon, the breach numbers continued to roll in--especially at healthcare organizations, which made up a disproportionate number of exposed records. Though the second half of the year has been comparably calmer than the first half's database breaches at RSA, Sony, and Epsilon, the breach numbers continued to roll in--especially at healthcare organizations, which made up a disproportionate number of exposed records. Here are some of the biggest breaches that went down in the second half of the year, along with a few database security lessons learned.