Slide 1

Report
Security Professionals:
Who Are They?
Loren Michael Johnson ([email protected])
@lmj_ou
Goals
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Inspire You to Become a S.P.
Demystify I.T. Security
Case Studies – Lessons Learned
About Me
Q/A
technology for all.
ONMP Goal
• Official Goal: Expose Oklahoma
security/networking students to the practical
day-to-day life of security/networking
professionals.
• Hidden Secret Goal: Identify, develop and
recruit talent!
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Job Shadowing
• On-Site
– Schedule a time with us to see what we do!
– E-mail the project leader, Henry Neeman
([email protected]) to set up a time.
• Virtual
– E-mail us at [email protected]
– Facebook: [email protected]
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Other Opportunities/Resources
• Cisco Academy
– Francis-Tuttle
– OU IT internal for now
• IT Internships at OU
– Contact Jennifer Pike ([email protected])
• Jobs at OU
– http://jobs.ou.edu
• Jobs at OneNet
– http://www.okhighered.org/job-opportunities/
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About Me
• Loren Michael Johnson ([email protected]) – OU Data Analyst for the IT Security (1996-Present)
• DCTS - Telecom – Network Analyst
– OSU-OKC (Novell) (1995-1996)
• Vax Systems Programmer (1994-1995)
• Computer Operator (1992-1994) (workstudy -> fulltime)
– CISSP
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About OU
• OU IT Network Services:
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Support 8000+ wireless users
Support 15000+ network users
Support ~25000 host devices
Support ~1300 wireless access points
Support ~850 security cameras
Support ~1250 network switches and routers
Over 200 physical and virtual servers
So, what’s it like?
• Is it like the movies?
– Some of my favorites are Enemy of the State, The
Italian Job, Law & Order: SVU
– Some days it is like The Office
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Cool stuff
• Visiting Dignitaries
– VP, Senators, Foreign Heads of State, Candidates
• Celebrities
– NPR’s Science Friday Ira Flatow
– U2 Concert
• IT related Cool Stuff
– Syncing of Supercomputing Power
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Network Pro’s typically…
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Work in a team environment
Participate in projects
Provide “Tier 3” support
Manage –
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Routers
Switches
IP, other protocols
Circuits & cable plant
Specialty devices (wireless, security, voice, etc.)
– Network services such as DNS, DHCP, NTP, etc.
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Also, expect to…
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Multi-task
Sit in the the hot seat
Be the “instant expert” on lots of topics
Work nights, weekends, and other off hours
Be “on call”
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You’ll spend time…
• Logged into network
devices…
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Configuring
Troubleshooting
Testing
Learning
• The picture at the
right is a screenshot
of Cisco IOS, which
is very common
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You’ll spend time…
• In meetings
– Leading
– Participating
– Listening
• It pays to develop skills
– Listening
– Presention
– Negotiation
– Conflict resolution
– Whiteboarding
• Solution D!
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You’ll spend time…
• Documenting the
network
– Static documents like
Visio diagrams
– Living documents like
HP Openview,
MRTG, DNS, etc.
You’ll spend time…
• Setting up new stuff
– Circuits
– Hardware
– Software
– Processes
• Cleaning up old stuff
– Cable management
– Configurations
– Processes
• Know your organization’s change management process
– If there isn’t one, lead the way
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Procurement
• As a network professional, you will buys things like…
– Equipment
– Circuits
– Labor / Services
• You will spend time with vendors
– Product evals / design
– Negotiations
– Competitive bidding
• Understand your company’s policies on vendor relations and avoid
unethical conduct
• Spend money as if it is your own – be a good steward
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Management
• Availability
monitoring
• Performance
baselining
• Asset management
& tracking
• Change
management
Support
• Support and troubleshooting is usually URGENT!
• It can also be time consuming
• It is important to be both an effective and efficient – don’t
waste time
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Disposition
• The network is always in transition – some new,
some old
• Retiring systems requires planning and
commitment
• Can be complicated
• Make it simple for users
• Minimize downtime
• Be persistent
– Methodical
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Zane Grey (co-worker)
technology for all.
Zane Grey (co-worker)
technology for all.
Zane Grey (co-worker)
technology for all.
About OU & ME
• What do I do at OU?
• A Little History
– Arp Cache Database
– Security Incident Database
– NullRoute Database
• Current Projects/Initiatives
– NET-REG
– Training
– Network/DNS tracking
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About OU & ME
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About OU & ME
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Lead for DNS and DHCP Teams
Part of the Training Team
Security Incident Database
Network Database(s)
NET-REG
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About OU & ME: Network
• Network Database
– A few hundred networks to thousands
• ARP Entries
– IP Address to MAC/Network Card Address
– Network snapshots, history
• Benefits
– Movement, Tracking, Use of Devices
– Forensics
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About OU & ME: Security
• Security Database: a brief history
– Sticky notes (here is what I did)
– Tracking in text files on a server
• Automation (expect/perl/bash)
– Database
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Team wants accounts
Support/Helpdesk want to view
Blocking/Unblocking
Reporting
– Cutting offenders off – Identified by Calling in
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About OU & ME: NET-REG
• Hundreds of Copyright complaints per week
– Too much for a few operators to handle
– Policy mandates education, tracking, punishment
• NET-REG
– McDonalds, Hotels, Starbucks
• We are not Starbucks (Starbucks^10)
– A few people a day VS. 1000’s on right now
– Changes every day
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About OU & ME: NET-REG
• NET-REG:
– Tutorial 5 Questions related to Copyright
– Ownership of your machine, give it a name
– Lasts a whole year (reset before Fall Semester)
• Backend:
– Userid -> IP Address -> MAC/Hardware Address
– Fed into DHCP, DNS
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About OU & ME: NET-REG
• How It Was Done
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DNS
DHCP
WEB SERVER (feeds DATABASE)
DATABASE (feeds DHCP and DNS)
Key scripts (perl/bash) ties it all together
• RIAA (others) Complaint emails
– 90% automated
– We are still very kind (1 charged)
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About OU and ME
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About YOU & Your NETWORK: OPSU
• rose.edu policy: http://www.rose.edu/web-standards
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2. Copyrighted software must only be used in accordance with its license or purchase agreement
and must not be copied or altered except as permitted by law or by the software licensing
agreement. ITS staff will install college-approved software on college-owned computers. Upon
request, ITS staff will install personal software as long as it is licensed.
· Intentional viewing of pictures of an erotic or sexual nature when such images can be viewed by
others who are offended by them; and, mailing, printing, or copying obscene materials.
· Knowingly running, installing, or giving to another a program or data file which could be classified
as or contain a computer virus, worm, or Trojan horse.
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Resources I Use
• Magazine: Information Week, Computer World (free for
those in the ‘business’)
• Podcast: Cyberspeak (.libsyn.com) + isc.sans.org
• Book: Getting Things Done (GTD) – Search for
customized adaptations (InboxZero)
• Dropbox http://db.tt/w4LH4wL
• Evernote (.com) + App
• GnuPG
• Chat programs
• Various testing devices
technology for all.
Strategies for
Success
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Hone Technical Skills
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Know the OSI model
 DHCP-relay problem
Pursue Education & Training
Use certifications to motivate and validate
Be Proactive
• Be Proactive - act in anticipation of future problems, needs, or
changes
– About your tasks
– About projects
– About your education
– About your career
– About your life
• Research shows a high correlation between proactivity and success
• “Proactivity consistently produces better results than reactivity or
inactivity.” [1]
[1] Kouzes and Posner. The Leadership Challenge 4th Edition. 2007.
John Wiley & Sons.
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Put Customers First
• Recognize that without customers, you don’t have a job
• Make sure you leave things better than you found them
• Make sure the customer is satisfied before claiming
victory
• Don’t cast blame on the customer
• Use language your customer can understand
• Make it easy for people to reach you for follow-up
• Trusted advisor
• Know that even what doesn’t work can be an opportunity
for Learning (ITIL - Information Technology Infrastructure
Library)
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Practice Self-Responsibility
• Take responsibility for yourself
• Be really great at something
• You are responsible for…
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Staying informed
Getting the job done
Your successes & failures
Your skill development
Your career
Admitting Mistakes
Your Resume/Interview
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What I look for in a resume/interview…
College degree, Experience, Certifications
What I look for in a resume… (under the hood)
 Someone who doesn’t change jobs every 1
to 2 years (probably won’t last long)
 Someone who understands the “lingo”
 Someone who knows how to be “relevant”
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Your Career
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Don’t be afraid
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Public Speaking
Project Management
Security Professionals:
Who Are They?
Loren Michael Johnson ([email protected])
@lmj_ou

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