By Dr Rachana Chowdhary, Editor, IndiaTechnology News Network
Ransomware attacks are a harsh reality in today’s digital world, and India is a growing target. But do not fear — Here’s a practical guide to navigate this crisis:
1. Isolate the Threat:
Disconnect Immediately: The first line of defense is to stop the infection from spreading. Disconnect the affected device (computer, server) from your network and disable Wi-Fi/Ethernet. This prevents the ransomware from encrypting files on other devices.
Power Down (if Safe): If the ransomware seems to be actively harming your system (e.g., erratic behavior), consider a controlled shutdown. This might be necessary for critical systems to prevent further damage.
2. Assess the Damage:
Inventory Take: Take stock of the situation. List all affected devices and identify critical data that might be encrypted. This will help prioritize recovery efforts.
Backup Check: Do you have backups? This is your golden ticket to a faster recovery. Check if your backups are recent and not connected to the infected network (cloud backups are ideal).
3. Report the Attack:
File an FIR: Report the ransomware attack to the nearest police station. File a First Information Report (FIR) to document the crime and potentially aid future investigations.
CERT-In Alert: Inform the Indian Computer Emergency Response Team (CERT-In) about the attack. They provide assistance and advisories for cyber threats. You can report online at https://www.cert-in.org.in/.
4. Consider Recovery Options:
Professional Help: For businesses or those with critical data, consider engaging a data recovery specialist. They can assess the situation and explore options for decryption or file restoration.
Free Decryption Tools: There are free decryption tools available for specific ransomware strains. Research online to see if a tool exists for the variant that attacked you. Caution: These tools can be complex and come with risks. Use with caution and consider seeking professional help if unsure.
5. Don’t Pay the Ransom (Ideally):
Why Not Pay? Paying the ransom encourages cybercriminals and doesn’t guarantee file recovery. Additionally, there’s a chance the decryption key might be faulty or incomplete.
Explore Alternatives: Focus on recovering from backups or using free decryption tools. Consider the legal and financial implications of paying before making a decision.
6. Prevention is Key:
Backup, Backup, Backup! Regular backups are your shield against ransomware. Implement a robust backup strategy with offline or cloud storage to ensure you have recent, uninfected copies of your data.
Software Updates: Always keep your operating system, security software, and applications updated with the latest security patches. These updates often address vulnerabilities exploited by ransomware.
Employee Training: Educate your employees about cybersecurity best practices. Phishing emails are a common entry point for ransomware. Train them to identify suspicious emails and attachments.
Remember, a calm and methodical approach is crucial during a ransomware attack. By following these steps and prioritizing data security, you can minimize damage and get back on track.