Combination Packages with Firewall, Antivirus, Antispyware, and other features.  A sampling:

• Windows:
  • Kaspersky Internet Security
  • BitDefender Internet Security
  • ESET Smart Security
  • Symantec Norton Internet Security
  • Trend Micro Internet Security
  • ZoneAlarm Internet Security
  • F-Secure Internet Security
  • McAfee Internet Security
    • McAfee apologizes for antivirus update disaster (April 23, 2010, CNet News)
    • Why it's time to move away from McAfee (April 26, 2010, Seth Rosenblatt, CNet)
  • CNet's Current Windows Security Software

• Macintosh:
  • Norton Internet Security Dual Protection for Mac
    • Contains Norton Internet Security for Mac and Norton Internet Security for Windows
  • Intego Internet Security Barrier Dual Protection
    • Contains Intego Internet Security Barrier for Mac and BitDefender Internet Security for Windows
  • CNet's Current Mac Security Software