We need to protect our data as well as we can regardless where it is and if it is in use or not.
- Data has 3 States: We want to protect it as well as we can in each state.
- Data at Rest (Stored Data):
- This is data on Disks, Tapes, CDs/DVDs, USB Sticks
- We use disk encryption (full/partial), USB encryption, tape encryption (avoid CDs/DVDs).
- Encryption can be Hardware or Software Encryption.
- Data in Motion (Data being transferred on a Network).
- We encrypt our network traffic, end to end encryption, this is both on internal and external networks.
- Data in Use: (We are actively using the files/data, it can’t be encrypted).
- Use good practices: Clean Desk policy, Print Policy, Allow no ‘Shoulder Surfing’, maybe the use of view angle privacy screen for monitors, locking computer screen when leaving workstation.
Phishing, Spear Phishing and Whale Phishing (Fishing spelled in hacker speak with Ph not F).
These are all types of social engineering, the attackers is trying to circumvent technical and administrative safeguards.
- Phishing (Social Engineering Email Attack):
- Click to win, Send information to get your inheritance …
- Sent to hundreds of thousands of people; if just 0.02% follow the instructions they have 200 victims.
- A Public Treasurer in Michigan sent 1,2m to Nigeria (1,1m of taxpayer funds and $72,000 of his own).
- Spear Phishing:
- Targeted Phishing, not just random spam, but targeted at specific individuals.
- Sent with knowledge about the target (person or company); familiarity increases success.
- Whale Phishing (Whaling):
- Spear Phishing targeted at Senior Leadership of an organization.
- This could be: “Your company is being sued if you don’t fill out the attached documents (With Trojan in them) and return them to us within 2 weeks”.
- Vishing (Voice Phishing):
- Attacks over automated VOIP (Voice over IP) systems, bulk spam similar to Phishing.
- These are: “Your taxes are due”, “Your account is locked” or “Enter your PII to prevent this” types of calls.