Ransomware

What is Ransomware?

Ransomware is a type of malicious software, or malware, that encrypts a victim's files, making them inaccessible. The attacker then demands a ransom in exchange for decrypting the files. In some cases, the attacker may also threaten to leak sensitive data if the ransom isn't paid.

How Ransomware Spreads

• Phishing emails: Attackers send emails containing malicious attachments or links that, when clicked, install the ransomware on the victim's computer.
• Exploit kits: These are tools that attackers use to exploit security vulnerabilities in software, allowing them to install ransomware without user interaction.
• Remote Desktop Protocol (RDP) attacks: Cybercriminals can access a victim's computer through weak or stolen RDP credentials and then deploy ransomware.

Protecting Against Ransomware

• Keep your software and operating systems up to date with the latest patches.
• Use a reputable antivirus software and enable automatic updates.
• Enable email filtering to block phishing emails and malicious attachments.
• Disable macros in Microsoft Office documents and only enable them when necessary.
• Limit user access to the minimum required for their job roles, and educate employees on ransomware risks and best practices.
• Regularly back up your data to an offline or secure cloud storage solution, and test your backups for data integrity.

Detecting Ransomware

• Unusually slow system performance or unresponsive applications.
• Inability to access files or folders, or files with unusual extensions.
• Suspicious network activity or increased traffic to known malicious IP addresses.
• Unexpected system reboots or shutdowns.
• Ransomware messages or screens demanding payment for file decryption.

Responding to Ransomware

• Disconnect affected devices: Immediately disconnect the infected devices from the network to prevent the ransomware from spreading.
• Notify your IT team or service provider: Contact your IT support team or managed service provider to assess the situation and begin the remediation process.
• Report the incident: Notify law enforcement and any relevant regulatory authorities about the attack.
• Restore from backups: Assess the extent of the damage and recover your data from backups if possible