The second half of your question is a bit more challenging. Searching systems for the presence of sensitive data...
(such as credit card numbers or SSNs) is a hot topic these days. Given the recent spate of high-profile data security breaches, organizations are keen to secure known stores of sensitive information, as well as ferret out any dangerous unknown goldmines. There are open source security tools to assist with this task, like Spider from Cornell University. The downside to any of these tools is that they're bound to have a high false-positive rate, and the only solution is spending time analyzing log files.
Dig Deeper on Data security breaches
Related Q&A from Mike Chapple
Choosing to encrypt confidential data with AES or DES encryption is an important cybersecurity matter. Learn about the important differences between ... Continue Reading
It's not possible to eradicate the risk of DoS attacks, but there are steps infosec pros can take to reduce their impact. Mike Chapple shares ... Continue Reading
The HHS OCR ruled that healthcare ransomware attacks are HIPAA violations, so these covered entities need to react according to the HHS's guidance. ... Continue Reading