The document discusses Windows 7 security features such as Action Center, improved User Account Control, BitLocker, BitLocker To Go, biometric security, and Internet Explorer 8. It notes Windows 7 is an incremental update to Vista that uses the same security technologies but with a simpler interface and performance enhancements. The document emphasizes the importance of securing Windows 7 systems, educating users, using features like BitLocker, patching, and antivirus as threats continue to evolve beyond any single platform.