Best Corporate Security Blog: Proofpoint: Email Security Blog
Five to Follow:
- @mikkohypponen: Mikko Hypponen, chief research officer at F-Secure
- @weldpond: Chris Wysopal, CTO and co-founder at Veracode
- @ryanaraine: Ryan Naraine, security evangelist at Kaspersky Lab
- @jack_daniel: Jack Daniel, support engineer at Astaro
- @secbarbie: Erin Jacobs, CSO of United Collection Bureau