Computer Security at HomeSlide 1 Computer Security Major Security and Privacy Threats Using The Internet At Home

Computer Security at HomeSlide 2 Agenda What is the Internet? Identity and Social Engineering Malware – what is it? Online Banking Actions you can take to protect yourself Online Resources Your turn!

Computer Security at HomeSlide 3 What Is The “Internet”? “Global system of interconnected networks” Each network is operated by individual entities Only connections are managed The rest is NOT managed –Wild West! No Borders! Tool for communication –Makes it easier –Makes it faster –Makes it cheaper

Computer Security at HomeSlide 4 “Identity” is Never Guaranteed

Computer Security at HomeSlide 5 Social Engineering Manipulating people into performing an action Phone calls from the “security department” Clicking on links and attachments – , web sites, twitter, MSN, … Lost USB sticks Software “updates” Nigerian “419” scams Requests for help from friends overseas “If it sounds too good to be true, it probably is”

Computer Security at HomeSlide 6 Malware Also known as Virus, Worm, Trojan Horse, Adware, Spyware, Scareware, Pestware, Crimeware, Rootkit Downloading software from the Internet Sharing USB sticks, software CDs and DVDs Opening untrusted attachments File sharing “drive by” attacks from malicious web sites Ignoring security warnings

Computer Security at HomeSlide 7 On-Line Banking Many sites offer additional SMS security: Commonwealth NetCode Westpac Protect SMS Code NAB SMS Security PayPal Security Key Used to send SMS codes to mobile phone Authorising “higher risk” transactions Authenticating to login to the account

Computer Security at HomeSlide 8 Validating Web Sites Slide sub-heading (manual text box) Look for “Extended Validation” Certificates – click on green bar to see details

Computer Security at HomeSlide 9 Actions Technical: Ensure that automatic updates are enabled Ensure adequate antivirus is operating –Microsoft Security Essentials is pretty good Ensure adequate firewall is in place –Most modern routers will do this for you –But direct connection to modems will not!! Use at least WPA or WPA2 on your WLAN Shred any paper with names/addresses Simple steps you can take to improve your online security

Computer Security at HomeSlide 10 Actions Personal: Ensure adequate and regular backups NEVER click on links/attachments –Especially in unsolicited or web sites –Type the URL in yourself, or use bookmarks Use separate computers for important tasks –Online banking, superannuation, tax –Online shopping, social networking –General browsing, downloaded software Simple steps you can take to improve your online security

Computer Security at HomeSlide 11 Actions Personal: NEVER send personal details –Credit cards, bank accounts, addresses –Drivers licence, passport, date of birth Especially by , over the phone, at the door, or entered into a web site –Unless it is for a specific purpose Don’t sign anything until you have read and understood it completely Simple steps you can take to improve your online security

Computer Security at HomeSlide 12 Actions Passwords: Use different passwords for each account Make them “strong” passwords –Almost impossible to do if you have a lot of accounts to protect –Use passwords made from your favourite sayings and songs Create “classes” of passwords – I use three! –“throwaway”; “moderate”; “secure” Simple steps you can take to improve your online security

Computer Security at HomeSlide 13 Actions My favourite Firefox add-ons: AdBlock Plus –Block web page components from Ad sites –Makes browsing MUCH faster Noscript –Disable Javascript – requires configuration Flashblock –Stop those annoying flash moving images –… until you want to see them! For the VERY technical audience

Computer Security at HomeSlide 14 Resources To validate rumours and scams: To reduce telemarketers: Information for the more technically minded: