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Cyber crime Revision Notes
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Revision notes on the topic of cybercrime, Intro, types of cybercrime, tools used in cybercrime, impact of cyber crime
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Understanding Cybercrime: A Comprehensive OverviewIntroduction to Cybercrime
Cybercrime refers to criminal activities carried out using computers and the internet.
It encompasses a wide range of illegal activities, from hacking and data breaches to
online fraud and cyberstalking. As technology evolves, so does the sophistication of
cybercriminals, making cybercrime a significant concern for individuals, businesses,
and governments worldwide.
Types of Cybercrime
1. Hacking
Hacking involves unauthorized access to computer systems, networks, or data.
Hackers exploit vulnerabilities in software or hardware to gain access, often with
malicious intent such as stealing sensitive information, disrupting services, or
planting malware.
2. Phishing
Phishing is a method used by cybercriminals to deceive individuals into providing
personal information, such as login credentials or credit card numbers. This is
typically done through fake emails or websites that appear legitimate.
3. Identity Theft
Identity theft occurs when someone unlawfully obtains and uses another person's
personal information, often for financial gain. Cybercriminals may use various
techniques, including phishing, hacking, and data breaches, to gather this
information.
4. Online Fraud
Online fraud includes a wide array of scams carried out over the internet. Common
examples include online auction fraud, where goods are sold that never arrive, and
advance-fee scams, where victims are promised large sums of money in exchange
for upfront payments.
5. Ransomware
Ransomware is a type of malware that encrypts a victim's files, making them
inaccessible. The attacker then demands a ransom, typically in cryptocurrency, in
exchange for the decryption key. Failure to pay often results in permanent data loss.
6. Cyberstalking and Harassment
Cyberstalking involves using the internet to harass or intimidate individuals. This can
include sending threatening messages, spreading false information, or monitoring
someone's online activities without consent.
Techniques and Tools Used in Cybercrime
1. Malware
Malware, or malicious software, includes viruses, worms, trojans, and spyware.
These programs are designed to damage, disrupt, or gain unauthorized access to
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