Michael Ossmann, CISSP
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mike@ossmann.com
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Experience
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6/07--present |
Protiro, Inc. |
Denver, CO |
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Information Security Engineer
- Performed research and engineering services under contract to
the Institute for Telecommunication Sciences at the Department of
Commerce Boulder Laboratories.
- Conducted comparative security analysis of public safety
wireless communication protocols.
- Served as editor and principal author of the security chapter of
the Public Safety 700MHz Broadband Statement of Requirements
published by the National Public Safety Telecommunications Council
to inform the FCC's 2008 700MHz spectrum auction.
- Developed software radio technologies for wireless security
research.
- Assisted with internal IT security administration and served as
an IT advisor and interim system administrator.
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1/05--6/07 |
Exempla Healthcare |
Denver, CO |
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Senior Information Security Administrator
- Served as HIPAA security officer for a health care organization consisting
of three hospitals and a dozen clinics.
- Reviewed and approved configuration changes for perimeter security
devices. Developed strategic plan for information security risk management to
meet regulatory requirements and audit recommendations.
- Presented security awareness training to new employees and managers.
- Assisted with troubleshooting of infrastructure systems such as DNS,
email, VPN, wireless networks, firewalls, and enterprise authentication.
- Developed and reviewed information security and privacy policies.
- Led incident investigation and response, recommending sanctions as
necessary.
- Implemented open source secure email gateway that yielded a 99% spam catch
rate with zero false positives.
- Performed vulnerability assessment and penetration testing, coordinating
mitigation efforts with information system owners.
- Architected proximity user identification and session roaming solution to
provide rapid access and automatic logout for computer workstations in
high-traffic clinical areas.
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10/01--1/05 |
Alternative Technology, Inc. |
Englewood, CO |
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Senior Security Engineer
- Provided custom engineering and consulting
services, specializing in information security,
network infrastructure, thin client technologies,
bandwidth management, and Unix systems.
- Performed information security risk analysis,
vulnerability assessment, penetration testing, and
regulatory compliance assessment service with a focus
on the Health Insurance Portability and Accountability
Act of 1996 (HIPAA) privacy and security rules.
Developed remediation strategies in response to
assessment results.
- Taught specialized technical courses addressing the
concepts, deployment, and integration of Packeteer
PacketShaper, Tarantella Enterprise 3, and Expand Accelerator
product lines.
- Evaluated courseware for Unix system administration,
network security, and host security courses.
- Assisted vendor partner with courseware development.
- Assisted vendor partner with certification examination
development.
- Performed internal information technology support
services, including LAN and WAN administration, bandwidth
management, security administration, Linux system
administration, email administration, solution architecture,
and project management.
- Designed IP networks and created custom solutions,
including a Linux-based hybrid bridge/router/firewall, which
implemented load balancing and high availability over
disparate Internet links without requiring BGP.
- Acted as domain expert for all Unix, security, and
networking technical support issues requiring
escalation. Supported both end users and resellers
(VARs).
- Supported products including Linux, Solaris, AIX, SCO
OpenServer, UnixWare, PacketSeeker, PacketShaper, PacketShaper
Xpress, WatchGuard Firebox and other firewalls, SonicWALL
firewalls, SafeWord PremierAccess, Citrix MetaFrame,
ThinPrint, Expand Accelerator, Tarantella Enterprise 3,
Tarantella Vision2K (including VisionFS, TermVision,
and XVision Eclipse), Sidewinder Firewall, Postfix, BIND
(DNS), SSH, Windows 2000, IPsec Virtual Private Networks
(VPNs), iptables (Netfilter), Apache, VNC, and various thin
client and X terminal devices from vendors such as Wyse, NCD,
and Neoware.
- Developed and documented custom tools and software
in Perl, PHP, and shell scripting languages.
- Edited process documentation (for internal use as well as
publication) for comprehensive risk analysis and information
security service offerings.
- Evaluated products from potential vendor partners.
Advised senior management regarding technical merits of new
products.
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3/99--10/01 |
Ossmann Consulting Inc. |
Chicago, IL |
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Information Technology Consultant
- Provided HP-UX, Solaris, AIX, Linux, and Tru64
installation, maintenance, upgrade, security, performance
tuning, and disaster recovery services.
- Provided solution architecture, project management, and
capacity planning services as well as TCP/IP network design
and administration.
- Performed network vulnerability assessments, reviewed
findings with clients, and implemented solutions including
policy remediation and selection and implementation of
countermeasures such as intrusion detection systems,
firewalls, and host security safeguards.
- Taught Unix system administration classes.
- Supported products including Sendmail, Postfix, BIND
(DNS), SSH, PGP, Legato NetWorker, HP Omniback II, HP-UX,
Windows NT, Linux, Solaris, AIX, Apache web server, HP
AutoRAID, EMC Symmetrix (with ControlCenter, SDR, VolumeLogix,
TimeFinder, and command line tools), Network Appliance NetApp
Filers, SAN and NAS environments, Fibre Channel networks,
Virtual Private Networks (VPN), ipchains, iptables
(Netfilter), SSL, DLT tape libraries, NIS, NFS, LVM,
OnlineJFS, Veritas File System, Veritas Volume Manager,
MC/ServiceGuard, and iPlanet (Netscape, Sun ONE) web
servers.
- Assisted with support of Tru64, Oracle, MySQL, Citrix
MetaFrame, BEA Tuxedo, CheckPoint FireWall-1, Sidewinder
Firewall, AltaVista Tunnel, Novell Netware, GroupWise Mail,
Microsoft DNS, Exchange, IIS, LDAP services, and SAP.
- Installed and configured HP OpenView tools, including
MeasureWare, PerfView, GlancePlus, ITO (VPO), and NNM.
Participated in network monitoring and enterprise event/fault
management with these tools as well as BMC Patrol and Big
Brother.
- Designed and implemented high availability (HA) solutions
utilizing many of the above technologies plus Brocade Fibre
Channel switches, Ethernet LANs, Veritas NetBackup, and Tivoli
Storage Manager in HP, IBM, and Sun environments.
- Developed and documented custom tools and software in C,
Perl, Python, Korn Shell (ksh), Bash, and other Bourne-like
shells. Created custom web applications with HTML,
XML Javascript, Java, and CGI. Debugged
customer-developed applications.
- Facilitated the migration of a large organization from
GroupWise mail service to two, distinct platforms by migrating
Sendmail Internet SMTP gateway to Postfix in order to handle
complex domain name changes, user address changes, automated
change of address responses, and mail forwarding rules.
Partnered with one other team member to develop Python-based
tools which automatically generated Postfix configuration
files based on input retrieved from GroupWise user database.
Completed this project ahead of schedule and without the loss
of any messages.
- Clients included Baxter Healthcare, SBC Ameritech, 3Com,
and Acxiom.
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6/98--2/99 |
Progressive Technologies Group |
Fort Collins, CO |
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Senior Engineer
- Led teams supporting large scale network backup and
recovery processes at multiple Hewlett-Packard sites across
the Western states.
- Provided consultation, architecture, implementation, and
capacity planning services for large network infrastructure
projects, specializing in data center backups and disaster
recovery planning.
- Trained new HP-UX system administrators, Alexandria backup
administrators, and HP Omniback II backup administrators.
- Provided the highest level of internal technical support
for our administrators.
- Supported products including Sendmail, BIND (DNS),
Alexandria Backup Librarian, HP Omniback II, other HP OpenView
tools, HP-UX, Solaris, Windows NT, DLT tape libraries
(manufactured by HP, StorageTek, and others), INN (Usenet news
server), Apache web server, NIS, NFS, Automount, LVM, and
OnlineJFS. Was responsible for system administration,
availability, and security.
- Implemented test lab solutions utilizing the above
technologies in addition to ADSM (TSM: Tivoli Storage
Manager), Veritas NetBackup, and Fibre Channel networks.
- Assisted with support of Informix, Oracle, and
ClearCase.
- Developed and documented internal tools, including Perl
and ksh scripts as well as a custom CGI-based database
designed to track network backup performance and provide
useful real-time information to both the end users as well as
system administrators.
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12/97--6/98 |
Progressive Technologies Group |
Fort Collins, CO |
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Backup Services Interim Operations Manager
- Co-managed twenty employees in two states.
- Assisted with contract management and negotiation.
- Worked closely with HP's vendor management staff.
- Provided consultation, architecture, implementation, and
capacity planning services for large network infrastructure
projects, specializing in data center backups and disaster
recovery planning.
- Trained new HP-UX system administrators, Alexandria backup
administrators, and HP Omniback II backup administrators.
- Supported products including Sendmail, BIND (DNS),
Alexandria Backup Librarian, HP Omniback II, other HP OpenView
tools, HP-UX, Solaris, Windows NT, DLT tape libraries
(manufactured by HP, StorageTek, and others), INN (Usenet news
server), Apache web server, NIS, NFS, Automount, LVM, and
OnlineJFS. Was responsible for system administration,
availability, and security.
- Assisted with support of Informix and ClearCase.
- Developed and documented internal tools, including Perl
and ksh scripts.
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8/96--12/97 |
Progressive Technologies Group |
Fort Collins, CO |
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HP-UX System Administrator
- Led teams supporting large scale network backup and
recovery processes at multiple Hewlett-Packard sites across
the Western states.
- Provided consultation, architecture, implementation, and
capacity planning services for large-scale network backup
solutions.
- Supported products including Sendmail, BIND (DNS),
Alexandria Backup Librarian, HP Omniback II, other HP OpenView
tools, HP-UX, Solaris, Windows NT, DLT tape libraries
(manufactured by HP, StorageTek, and others), NFS, and
Automount. Was responsible for system administration,
availability, and security.
- Developed and documented internal tools, including Perl
and ksh scripts.
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2/96--8/96 |
Net-Plus |
Fort Collins, CO |
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Manager of Internet Services
- Was the sole operator of a small Internet Service
Provider.
- Performed the installation and administration of Linux
servers, Solaris workstations, Windows 95 workstations, Novell
Netware servers, Cisco routers, Ascend terminal servers,
Livingston (Lucent) PortMaster terminal servers, Apache web
server, Sendmail, INN (Usenet news server), DNS, FTP, and
RADIUS. Was responsible for system administration,
availability, and security.
- Coordinated the sale, delivery, and implementation of
various WAN services including ISDN and Frame Relay.
- Provided technical support for end users on platforms
including Windows 95, Windows NT, Windows 3.11, DOS, Linux,
MacOS, and OS/2.
- Wrote technical support documentation for the above
platforms.
- Performed webmaster duties and provided web development
services, including HTML design and Perl CGI scripting.
- Handled sales and marketing.
- Modified an Open Source RADIUS authentication server to
meet specific business requirements.
- Developed custom virtual domain mail delivery mechanism
based on Sendmail and Procmail.
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1/96--12/97 |
Ossmann Consulting |
Fort Collins, CO |
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Internet Consultant and Java Developer
- Helped American Management Systems establish Internet
recruiting techniques.
- Developed Java applets for a variety of web sites,
including www.pentax.com.
- Volunteered as a guest speaker for computer classes.
- Developed an educational Java applet for public use, which
continues to be used by music students and teachers around the
world: http://www.ossmann.com/bigears/.
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9/95--12/95 |
NS Net |
Sacramento, CA |
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Internet Support Engineer
- Provided technical support for end users on platforms
including Windows 95, Windows NT, Windows 3.11, DOS, Linux,
MacOS, OS/2, Solaris, and HP-UX.
- Assisted with administration and daily operations of HP-UX
servers, Livingston (Lucent) PortMaster terminal servers, and
Ascend terminal servers.
- Handled sales of Internet services.
- Performed consulting services for Internet connectivity
and web design.
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5/94--5/95 |
ASUAF Computing Services |
Fairbanks, AK |
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Lab Consultant/Administrator
- Oversaw the usage of student owned and operated computer
labs at the University of Alaska Fairbanks.
- Performed installation and administration of NextStep and
MacOS systems.
- Assisted with administration of VAX/VMS systems.
- Assisted students with computer usage and programming,
computer science class projects, Internet research, and web
development.
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Publications and Presentations
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- Presented WEP: Dead Again at Lockdown security conference (2005).
- The 5-in-1 Network Cable, Make Magazine, Volume 01 (2005).
- WEP: Dead Again, SecurityFocus Infocus, http://www.securityfocus.com/infocus/1814 (2004).
- Presented Thin Client Security at Rubi Con network security conference (2002).
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Education and Certifications
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2003 |
(ISC)2 |
Dunedin, FL |
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- Certified Information Systems Security Professional (CISSP)
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1992-1995 |
University of Alaska Fairbanks |
Fairbanks, AK |
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- Completed three years undergraduate work as trombone major
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Various product certifications from vendors
including Packeteer, WatchGuard, Secure Computing, SAFlink,
ThinPrint, Expand Networks, Citrix Systems, Tarantella, and
HP. |
Interests
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computer programming, telescope building, stargazing, boomerang
making and throwing, juggling, reading, skiing, ice and inline hockey,
backpacking, game playing, mechanical ice sculpture, and composing and
performing music of all sorts
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Miscellaneous
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self-disciplined,
creative, fast learner with strong interpersonal, writing, and
speaking skills
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References
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available on request
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