Post on 16-Feb-2016
description
Cyber Security Awareness Month
Protecting Your Laptop’s Data
Off-Campus Safe Computing Part 1
IntroductionsAllen Monette
Security Coordinator
Office of Campus Information Security
Why are we here?
OCIS Brown Bag Series
Worst Practices, or 10 Easy Steps to Loosing Your DataProtecting Your Laptop’s DataUsing Your Laptop Safely on the RoadFinding and Protecting Sensitive Data on Your ComputerProtecting Data by Using Network and Server Scanning Tools
Effective Practices for Restricted Data HandlingRisk Reduction Strategy
OR
ORTHEN
Risk Reduction Strategies Risk Assessment
Why Encryption?
It’s 3am…
Do you know where your laptops are?
Full Disk Encryption protects against lost devices
Would you trust…
this guy with your files?
File and Folder Encryption protects specific data
How does it work?
File encryption
Think of file encryption as a secret code
A simple code:A=0B=1C=2D=3Etc
A message:7 4 11 11 1422 14 17 11 3
Folder encryption
Think of folder encryption as a safe deposit box
Full Disk Encryption
Think of Full Disk Encryption like a bank vault
How does it really work?
File and folder Encryption• Encrypts individual files or entire folders• Requires authentication to decrypt and access the
files
Full Disk Encryption• Replaces the master boot record with a special pre-
boot environment• Encrypts the entire hard drive• Preboot Authentication plus OS authentication• Decrypts as files are used
How to choose between Full Disk and File/Folder?
When to use Full Disk Encryption
Full Disk Encryption protects against lost devices
When to use file/folder• Need an additional layer of security• Need portability• Need to support removable media
What is UW Madison doing?
Laptop/Desktop Encryption Project
Full disk and file/folder encryption for
PC
Mac
Nice if you can get it
Product Selected
Product Selected
Where are we now?
• Installed on about 250 computers• Registrar’s office, Financial Aid, Admissions,
and UW Survey Center are leading the pack on installs
• UW Milwaukee purchasing their own licenses and running their own server
• Ready for more participants
How can I get Involved?
Allen Monetteamonette@wisc.edu
Or
Linda Prusspruss@doit.wisc.edu
Questions?