cyber security & today’s user - defense against security ... · pdf fileearliest...
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University of Louisville CIS Department
Prepared by Brian Martinez, Danna Penaranda, and James Pesetsky
Cyber Security & Today’s User- Defense Against Security Breaches
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The Electronic Environment
● Desktop Computers
● Laptops
● Tablets and Phones
● The Internet
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How many people own more than one electronic/digital device?
● As of 2015, 1 in 3 Americans owned a Smartphone, Tablet, and Computer
● 1 in 4 Americans own a gaming console/device
Source: http://www.pewresearch.org/fact-tank/2015/11/25/device-ownership/3
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The Connected World● Population of Earth (2015):
● 7.2 billion● Number of personal
computers (2015):● 2 billion estimated
● Number of mobile devices (GSMA 2017):● 8.114 billion mobile
connections
Source: https://www.reference.com/technology/many-computers-world-e2e980daa5e128d04
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Hacking and Security Breaches● Earliest hack:
● 1903: Nevil Maskelyne sends insulting Morse code messages with projector and disrupts wireless telegraphy demonstration by John Ambrose Fleming
● Most recent security breach:● March 2017: River City Media
backup servers were not password protected, exposing 1.37 billion record spam database. Includes names, zip codes and physical and IP addresses
Source: https://www.newscientist.com/article/mg21228440-700-dot-dash-diss-the-gentleman-hackers-1903-lulz/https://betanews.com/2017/03/06/river-city-media-spam-database-leak/ 5
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Why should you care?● Protect your identity
● Protect your personal & financial data
● Safeguard your online privacy
● Prevent yourself from falling victim to scams
● Be proactive about protecting your personal identifiable information
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What are some mistakes people make online?● Using one universal password
across multiple websites●Bank account password = FB account password. Don’t do it!
●Increase password complexity and length
●Invest in a password manager. The cost of eating out once = one-time purchase and protection for a year.
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What are some mistakes that people make online? (cont.)
●Putting personal information online ● Be mindful of the information you put
on social media
●Being unaware of cyber threats like social engineering and scams
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Safe Web Practices ● Don’t share your login information with anyone
●Never give out credentials without considering the risks and consequences involved
The goal is to be responsible for your security and privacy9
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Safe Web Practices
●Always verify the source of your downloads
●Keep backups of your important data
●Don’t leave credentials or other confidential information freely available to anyone
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Safe Web Practices●Only open email attachments from familiar contacts
Respectable businesses and government agencies do not call or e-mail you asking for money/credentials
●Learn to recognize “phishing” emails
Before providing any kind of information, call and verify with the source that they are indeed the ones who sent the email.
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Phishing Example
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HIPAA Compliance●Be aware of the ways in which you come in contact with
PII and protect it: names, geographical subdivisions, dates like DOB, and other unique identifying numbers.
●Recognize everyone in the building and avoid tailgating●Lock your computer when you leave your desk
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How to tell you’re compromised
● Slow/Sluggish performance
● Strange/unfamiliar errors
● File changes being made without permission
● Unknown programs or services running in the background
● Unauthorized activity on system or across network
● Strange emails being sent to or from you/your contacts
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Common Vulnerabilities
● Out of date operating system
● Out of date software
● Out of date antivirus definitions
● No scheduled backups
● Inactive or incorrectly configured firewall
● Insufficient antimalware software
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Keep software up to date● Update Operating System regularly
● Check software and hardware manufacturers websites for updates if automating isn’t possible
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Good web practices to remember● Check the URL of websites you visit
● Know the source of your downloads
● Scan recently downloaded software, files, and email attachments
● Watch out for spyware
●Ignore or close ads and pop-ups
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Being proactive● Monitor email and bank
accounts
● Use 2-Factor Authentication when available
● Know the recovery steps you need to take in the event that your system is compromised
● Never give out more information than is absolutely necessary
● Consider the use of a password manager to keep track of unique logins and passwords
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A list of recommended freeware programs
Antivirus: ● Avast Free Antivirus, AVG Antivirus Free, BitDefender
Antivirus Free EditionAntimalware:
●Malwarebytes Anti-Malware, IObit Malware FighterCleaners and Pop-up blockers
●Ad Block Plus for Chrome, uBlock Origin for Firefox, AdwCleaner, Ghostery - Defends against internet trackers
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LinksAntivirus (never use more than one): https://www.avast.com/indexhttp://www.avg.com/us-en/homepagehttps://www.bitdefender.com/solutions/free.html
Antimalware (use 1 or more): https://www.malwarebytes.com/http://www.iobit.com/en/index.php
Ad blockers & anti-trackers:https://adblockplus.org/https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/https://www.malwarebytes.com/adwcleaner/https://www.ghostery.com/ (protects against web trackers)