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Cybercrime
 

Cybercrime

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Its about Cybercrime.

Its about Cybercrime.

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    Cybercrime Cybercrime Presentation Transcript

    • IT ACTS FOR CYBER CRIME Presented By: Mayank Garg
    • INTRODUCTION Any crime that involves a computer and a network  Criminal’s motive may be to intentionally harm the reputation of the victim or To claim financial profit
    • Categories of Cyber Crime E-Commerce Network - Suzanne Mello - Nov 5 2004 1. Crimes that directly target Computers or Devices 2. Crimes that use Computer Networks to Advance other Ends
    • Cyber Crime 2 Cybercrimes are defined as: "Offences that are committed against individuals or groups of individuals with a criminal motive to intentionally harm the reputation of the victim or cause physical or mental harm to the victim directly or indirectly, using modern telecommunication networks such as Internet
    • Categories of Cyber Crime 3 Against Property – Financial crimes – cheating on-line – illegal funds transfer.  Against Persons – On-line harassment, Cyber Stalking, Obscenity.  Against Nations – Cyber Terrorism – Damaging critical information infrastructures
    • In the News…….  o ut o f 5 childre n re ce ive d a se xual so licitatio n o r appro ach o ve r the Inte rne t in a o ne -ye ar pe rio d o f tim e (www. m issing childre n. co m )  Califo rnia warns o f m assive ID the ft – pe rso naldata sto le n fro m co m pute rs at Unive rsity o f Califo rnia, Be rke le y (O ct 21 , 20 0 4 IDG ne ws se rvice )  Micro so ft and Cisco anno unce d a ne w initiative to wo rk to g e the r to incre ase inte rne t se curity (O ct 1 8 , 20 0 4 www. cne tne ws. co m ) 2
    • Crimes that directly target Computers E-Commerce Network - Suzanne Mello - Nov 5 2004  Computer viruses  Denial-of-service attacks  Malware (malicious code)
    • The New Wild Wild West  More cyber criminals than cyber cops  Criminals feel “safe” committing crimes from the privacy of their own homes  Brand new challenges facing law enforcement  Most not trained in the technologies  Internet crimes span multiple jurisdictions  Need to retrofit new crimes to existing laws 3
    • Computer Crime  Computer used to commit a crime  Child porn, threatening email, assuming someone’s identity, sexual harassment, defamation, spam, phishing  Computer as a target of a crime  Viruses, worms, industrial espionage, software piracy, hacking 4
    • IT Acts for Cyber Crime 7 The IT Act provides legal recognition for transactions carried out by means of electronic data interchange, and other means of electronic communication, commonly referred to as "electronic commerce", involving the use of alternatives to paper-based methods of communication and storage of Information .The IT Act facilitates electronic filing of documents with the Government agencies
    • IPC Acts 8 Sending threatening message by email -Section 506 IPC Sending defamatory message by email -Section 499 IPC Bogus websites, cyber frauds, phishing -Section 420 IPC Hacking -Section 66 of IT Act Pornography -Section 67 of IT Act
    • Computer Forensics  What is it?  an autopsy of a computer or network to uncover digital evidence of a crime  Evidence must be preserved and hold up in a court of law  Growing field – Many becoming computer forensic savvy  FBI, State and Local Police, IRS, Homeland Security  Defense attorneys, judges and prosecutors  Independent security agencies  White hat or Ethical Hackers  Programs offered at major universities such as URI http://homepage.cs.uri.edu/faculty/wolfe/cf 5
    • Crimes that use Networks E-Commerce Network - Suzanne Mello - Nov 5 2004  Cyber stalking  Fraud and identity theft  Information warfare  Phishing scams
    • Uncovering Digital Evidence Smart Criminals don’t usetheir owncomputers  Floppy disks  Zip/Jazz disks  Tapes  Digital cameras  Memory sticks  Printers  CDs  PDAs  Game boxes  Networks  Hard drives 6
    • Digital Evidence Criminals Hide Evidence  Delete their files and emails  Hide their files by encryption, password protection, or embedding them in unrelated files (dll, os etc)  Use Wi-Fi networks and cyber cafes to cover their tracks Forensics Uncover Evidence  Restore deleted files and emails – they are still really there!  Find the hidden files through complex password, encryption programs, and searching techniques  Track them down through the digital trail - IP addresses to ISPs to the offender 7 Not obvious…….it’s most likely hidden on purpose or needs to be unearthed by forensics experts
    • The Crime Scene (with Co m pute r Fo re nsics)  Similar to traditional crime scenes  Must acquire the evidence while preserving the integrity of the evidence  No damage during collection, transportation, or storage  Document everything  Collect everything the first time  Establish a chain of custody  But also different…….  Can perform analysis of evidence on exact copy!  Make many copies and investigate them without touching original  Can use time stamping/hash code techniques to prove evidence hasn’t been compromised 8
    • IPC Acts E-Commerce Network - Suzanne Mello - Nov 5 2004  Sending threatening message by email -Section 506 IPC     Sending defamatory message by email -Section 499 IPC  Bogus websites, cyber frauds, phishing -Section 420 IPC  Hacking -Section 66 of IT Act     Pornography -Section 67 of IT Act
    • TOP CYBER CRIMES THAT ATTACK BUSINESS Spam Viruses/Worms Industrial Espionage and Hackers Wi-Fi High Jacking
    • Spam “Spam accounts for 9 out of every 10 emails in the United States.” Me ssag e Labs, Inc. , an e m ailm anag e m e nt and se curity co m pany base d in Ne w Yo rk. “We do no t o bje ct to the use o f this slang te rm to de scribe UCE (unso licite d co m m e rciale m ail), altho ug h we do o bje ct to the use o f the wo rd “spam ” as a trade m ark and the use o f o ur pro duct im ag e in asso ciatio n with that te rm ” www. ho rm e l. co m 10
    • Can-Spam Act of 2003 11  Controlling the Assault of Non-Solicited Pornography and Marketing Act (Can-Spam)  Signed into law by President Bush on Dec 16, 2003  Took effect Jan 1, 2004  Unsolicited commercial email must:  Be labeled  Include Opt-Out instructions  No false headers  FTC is authorized (but not required) to establish a “do-not-email” registry  www.spamlaws.com –lists all the latest in federal, state, and international laws
    • Spam is Hostile  You pay for Spam, not Spammers  Email costs are paid by email recipients  Spam can be dangerous  Never click on the opt-out link!  May take you to hostile web site where mouse-over downloads an .exe  Tells spammers they found a working address  They won’t take you off the list anyway  What should you do?  Filter it out whenever possible  Keep filters up to date  If you get it, just delete the email 12
    • Viruses and Worms  Different types of “ailments”  Viruses  software that piggybacks on other software and runs when you run something else  Macro in excel, word  Transmitted through sharing programs on bulletin boards  Passing around floppy disks  An .exe, .com file in your email  Worms  software that uses computer networks to find security holes to get in to your computer – usually in Microsoft OS!! But worm for MAC was recently written 13
    • Hackers are Everywhere  Stealing data  Industrial Espionage  Identity theft  Defamation  Deleting data for fun  A lot of bored 16 year olds late at night  Turning computers into zombies  To commit crimes  Take down networks  Distribute porn  Harass someone  Ethical/white hat hackers exist too  Help break into networks to prevent crimes 14 Mafia Boy
    • Wireless Fidelity (Wi-Fi)  Using antennas to create “hot spots”  Hotspots – Internet Access (sometimes free)  Newport Harbor - All the boats in Harbor have internet access  San Francisco Giants Stadium – Surf the web while catching a game  UMass (need to register, but it’s free)  Cambridge, MA  Philadelphia, PA – just announced – entire city by 2006 15
    • Wi-Fi High Jacking 60-70% wireless networks are wide open Why are the Wi-Fi networks unprotected?  Most people say “Our data is boring”  But… criminals look for wireless networks to commit their crimes  And… the authorities will come knocking on your door…..
    • Protect your Computers!  Use anti-virus software and firewalls - keep them up to date  Keep your operating system up to date with critical security updates and patches  Don't open emails or attachments from unknown sources  Use hard-to-guess passwords. Don’t use words found in a dictionary. Remember that password cracking tools exist  Back-up your computer data on disks or CDs often  Don't share access to your computers with strangers  If you have a wi-fi network, password protect it  Disconnect from the Internet when not in use  Reevaluate your security on a regular basis  Make sure your employees and family members know this info too! 17
    • E-Commerce Network - Suzanne Mello - Nov 5 2004