MALWARE

Computer Security Threats

are dangers that can harm your computer system, compromise your data, or disrupt operations. They can come from malicious software, hackers, or even careless user behavior.

Malware

programs designed to harm or exploit computers.

Social Engineering

manipulation techniques that trick people into giving up confidential information.

Network and System Attacks

attempts to steal, disrupt, or destroy information systems.

Malware Threats

any program or code created to damage, disrupt, or gain unauthorized access to computers, networks, or data

Malware Threats

is any software that does something harmful to your computer or your data.

• Steal sensitive information (passwords, credit card numbers, etc.)

• Spy on user activities

• Disrupt normal operations

• Extort money (ransomware)

• Gain control of a system or network

• Damage reputations or systems for revenge or competition

Virus

Attaches itself to a legitimate file or program and spreads when that file is run.

EXAMPLE

The “ILOVEYOU” virus (2000, Philippines) spread via email attachments.

Worm

Self-replicating malware that spreads automatically across networks without user action.

EXAMPLE

The “Conficker” worm infected millions of computers worldwide.

Trojan Horse

Pretends to be useful software but secretly performs malicious actions

EXAMPLE

A fake antivirus that installs malware instead of removing it.

Spyware

Secretly monitors and records user activities, often to steal credentials.

EXAMPLE

Keyloggers capturing typed passwords

Adware

Displays unwanted advertisements; sometimes tracks browsing habits.

EXAMPLE

Pop-up ads that appear even when offline.

Ransomware

Locks or encrypts data and demands payment to restore access

EXAMPLE

The “WannaCry” ransomware attack (2017) hit hospitals and companies.

Rootkit

Hides malicious processes or files from detection by antivirus software

EXAMPLE

Used to maintain long-term hidden access to a system.

Botnets

A network of infected computers (bots) controlled remotely by hackers.

EXAMPLE

Used for launching large-scale attacks or spam campaigns.

Logic Bomb

Malicious code that activates when specific conditions are met

EXAMPLE

Deletes files on a specific date or event.