David Schwartzberg is a Security Solutions Engineer at Cisco Security. David is a regular speaker at conferences such as, GrrCON, he has also presented at THOTCON, CypherCon, OWASP AppSec, BSides, Black Hat Arsenal, DEF CON, DerbyCON, (ISC)2 Congress and SC Congress. As a writer, David wrote the original CramSession study guide for the Network+ certification in 1999, a self published book (http://amzn.to/CfKSISO), blogger for Dark Reading, Barracuda Labs, and as a guest blogger for the award winning Naked Security blog (http://nakedsecurity.sophos.com). After David graduated from Queens College with a B.S. in Accounting and Information Systems, he has earned several certifications in the field of Information Technology including DevNet ASC, SANS GMOB, CMNA, CNA, CNE, MCP, Network+, Security+, and CISSP.Utilizing his 6+ years accounting experience combined with 28 years Information Security and Information Technology experience, he speaks regularly with technology executives and professionals to help protect their corporate secrets and stay compliant. Ever increasing Specialties: Mobility, EMM, MDM, MAM, MCM, iOS, Android, Full Disk Encryption, FDE, WDE, SMTP, S/MIME, FTP, SFTP, FTPS, encryption, XHTML, CSS, DLP/CMF, Windows Server 2003, BitLocker, Anti-Virus, Anti-SPAM, email protection.