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What Is Cryptojacking and Why Should You Care?

Cryptojacking is one of the fastest-growing cybersecurity threats today, and it often happens without you even knowing it. In simple terms, cryptojacking is when cybercriminals secretly use your computer, smartphone, or tablet to mine cryptocurrency such as Bitcoin or Monero.

This is done through malicious code (known as crypto-mining malware) that runs in the background, draining your device’s power, slowing performance, and even risking your personal data.

What Is Cryptojacking? A Simple Explanation

Cryptojacking is a form of cyberattack where hackers install hidden crypto-mining malware on your device. This malware uses your system's processing power (CPU or GPU) to mine cryptocurrency, all without your permission.

How does it spread?

  • Clicking on malicious links (phishing emails or messages)
  • Visiting infected websites
  • Downloading compromised apps or software

Once installed, the malware runs quietly in the background, often undetected for weeks or months.

How Does Cryptojacking Affect Your Device?

While it may seem harmless at first, cryptojacking can lead to serious performance and security issues:

  • Slow Device Performance: The malware hijacks your processor, making your device laggy and less responsive.
  • Battery Drain & Overheating: Excessive resource use causes devices, especially smartphones and laptops, to heat up and lose battery life quickly.
  • Higher Electricity Bills: On desktops, the constant power usage can lead to noticeable increases in electricity consumption.
  • Data Security Risks: Some crypto-mining malware comes bundled with spyware, potentially exposing sensitive personal or financial information.

Common Signs of Cryptojacking on Your Device

Think your device might be infected? Look out for these signs of cryptojacking:

1. Unexplained Slowness: Apps or websites take longer to load.

2.Device Overheating: Your phone or laptop gets hot even during light use.

3. High CPU Usage: Your system monitor shows unusual spikes in CPU or GPU activity.

4. Frequent Crashes: Apps or browsers crash more often than usual.

5. Shortened Battery Life: Your battery drains faster than it used to.

How to Prevent Cryptojacking: 5 Essential Tips

Protecting yourself from cryptojacking doesn’t require technical skills — just good online habits. Here's how to prevent cryptojacking:

1. Avoid Suspicious Downloads

Don’t install unknown apps or click on unverified links in emails or websites.

2. Keep Your Software Updated

Regularly update your operating system and antivirus software to patch security vulnerabilities.

3. Use Trusted Websites Only

Be cautious when visiting unknown or unsecured websites. Avoid clicking on pop-ups or suspicious ads.

4. Install Browser Extensions Wisely

Only use browser extensions from official sources. Unwanted extensions are a common vector for cryptojacking scripts.

5. Enable Anti-Cryptojacking Tools

Use browser tools or antivirus software that can detect and block cryptojacking scripts.

What to Do If You Suspect Cryptojacking

If you notice signs of cryptojacking on your device, act quickly:

  • Run a Full Antivirus Scan: Use trusted antivirus software to scan for and remove malware.
  • Remove Suspicious Extensions or Apps: Check your browser and device for unfamiliar software or plug-ins.
  • Reset Your Device (If Necessary): If the malware persists, consider doing a factory reset after backing up your data.

If you have accidentally shared personal or banking information with a fraudulent social media account, take action immediately:

If you are an RBL Bank customer:

You can also report cyber frauds to national authorities:

  • Visit the National Cyber Crime Reporting Portal: cybercrime.gov.in
  • Call the Cyber Crime Helpline: 1930

Fraudsters sometimes follow up with calls pretending to be from the bank. If you receive such calls:

  • Report them via the DoT Sanchar Saathi portal: sancharsaathi.gov.in
  • Alternatively, call the toll-free helpline: 1800 11 0420 or 1963
National Cybercrime Reporting Portal
sancharsaathi

Conclusion: Stay Informed, Stay Protected

Cryptojacking may be invisible, but its consequences are real. It can degrade your device’s performance, waste energy, and compromise your security. That’s why cyber awareness is more important than ever.

At RBL Bank, we’re committed to helping you stay safe online. Our monthly cyber awareness blogs are designed to keep you informed about the latest threats and how to defend against them. Read More.

Stay vigilant. Stay secure. Stay smart.


Disclaimer:
Articles published on the website are merely indicative and suggestive in nature and do not amount to solicitation. The contents do not guarantee the desired returns and/or results. Reader is advised to exercise discretion and consult independent advisors for achieving desired result.

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