Published on February 19, 2014
HOW TO LEVERAGE LOG DATA FOR EFFECTIVE THREAT DETECTION Tom D’Aquino – Sr. Security Engineer
AGENDA The Challenge • Getting adequate security visibility for your small or medium business The Widely Pursued Solution • The traditional approach to Log Management/SIEM • The cost/benefit analysis An Alternative Approach • Who, What and Why is the key The Wrap Up • Unified Security Management • AlienVault’s Threat Intelligence Labs Questions & Answers as time permits
HUMANS MEET TECHNOLOGY
HUMANS MEET TECHNOLOGY Something is down? YouTube is up though.
THE WIDELY PURSUED SOLUTION The traditional approach to Log Management/SIEM: • Collect Everything • Analyze everything • Correlate everything • Store everything
BUT AT WHAT HARDWARE COST? How much storage, CPU and RAM will you need to collect, correlate and store all of this data? • High-performance storage is not cheap How effective is the automated analysis, i.e. correlation really going to be? • • Correlation is CPU and memory intensive This is a case of garbage in, garbage out
AND AT WHAT HUMAN RESOURCE COST? How effective is your team really going to be? • Can one person realistically review 10,000 alerts in a day
IS THERE A BETTER WAY? What if we took a more strategic approach by identifying the problem more effectively? Why do you need the logs? • Do you have an intended result in mind? Why
IS THERE A BETTER WAY? What if we took a more strategic approach by identifying the problem more effectively? Why do you need the logs? • Do you have an intended result in mind? What logs will you need to get that result? • i.e., will authentication logs suffice? Why What
IS THERE A BETTER WAY? What if we took a more strategic approach by identifying the problem more effectively? Why do you need the logs? • Do you have an intended result in mind? What logs will you need to get that result? • i.e., will authentication logs suffice? Who will the logs you collect pertain to? • Is there a specific user group/community you should be focused on? Why What Who
LET’S LOOK AT SOME EXAMPLES Why do you need Firewall logs? • I need to see what is getting in to my network What logs will you need to get that result? • Firewall permit logs Who will the logs you collect pertain to? • I’m most significantly concerned with blacklisted IPs/domains
EXAMPLE ILLUSTRATED You are probably only seeing these: When you should be looking for this:
EXAMPLES CONTINUED Why do you need OS logs? • I need to detect unauthorized access attempts and account lockouts What logs will you need to get that result? • OS authentication failure and account lockout logs Who will the logs you collect pertain to? • I’m most significantly concerned with admin level accounts
EXAMPLE ILLUSTRATED Multiple events to indicate a single login:
ONE MORE EXAMPLE Why do you need Switch/Router logs? • I need to see when someone logs in to my network gear and makes config changes What logs will you need to get that result? • Authentication and authorization logs from my TACACS server would do the job Who will the logs you collect pertain to? • Anyone connecting to my network gear
EXAMPLE ILLUSTRATED You may have to process thousands of these: Just to get one or two of these:
UNIFIED SECURITY MANAGEMENT “VISIBILITY THROUGH INTEGRATION THAT WE DO, NOT YOU” Asset Discovery Threat Detection Behavioral Monitoring • • • • • • • • • Log Collection • Netflow Analysis • Service Availability Monitoring Active Network Scanning Passive Network Scanning Asset Inventory Host-based Software Inventory Network IDS Host IDS Wireless IDS File Integrity Monitoring Security Intelligence Vulnerability Assessment • Network Vulnerability Testing • SIEM Correlation • Incident Response
AlienVault Labs Threat Intelligence: Coordinated Analysis, actionable Guidance • Updates every 30 minutes • 200-350,000 IP validated daily • 8,000 Collection points • 140 Countries
ALIENVAULT LABS THREAT INTELLIGENCE: COORDINATED ANALYSIS, ACTIONABLE GUIDANCE Weekly updates that cover all your coordinated rule sets: Network-based IDS signatures Host-based IDS signatures Asset discovery and inventory database updates Vulnerability database updates Event correlation rules Report modules and templates Incident response templates / “how to” guidance for each alarm Plug-ins to accommodate new data sources Fueled by the collective power of the AlienVault’s Open Threat Exchange (OTX)
NOW FOR SOME Q&A… Three Ways to Test Drive AlienVault Download a Free 30-Day Trial http://www.alienvault.com/free-trial Try our Interactive Demo Site http://www.alienvault.com/live-demo-site Join us for a LIVE Demo! http://www.alienvault.com/marketing/alienvault-usmlive-demo Questions? email@example.com
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