Invisible Threats: How Remote Access Tools Are Being Used to Hijack Your Devices
Cybercriminals are becoming more sophisticated, and one of the latest tactics in their playbook involves Remote Access Tools (RATs). Originally designed for legitimate purposes like IT support, RATs are now being misused by fraudsters to silently take control of personal devices — including mobile phones, tablets, and computers. Schwab has observed a rise in attacks where RATs are deployed through phishing emails, giving bad actors remote access to sensitive data, accounts, and even the ability to initiate unauthorized transactions. Because these attacks can be nearly invisible to the user, awareness and proactive security habits are more critical than ever.
How a RAT-based attack works: - First, the fraudster sends a phishing email with a link or attachment that appears legitimate.
- Once the victim clicks, the RAT is installed on that device without any notification to the user, and automatically connects to a remote server controlled by the attacker.
- At this point, the attacker can:
- Steal sensitive data (passwords, financial details, etc.)
- Monitor user behavior through keylogging and screen recording
- Gain access to anything the user accesses using the infected device, which can include Schwab Alliance. This online access can let them set up fraudulent trades and/or money movements.
- This type of attack is difficult to detect for many reasons, including:
- The fraudulent activity is generated by a device that's trusted by the user.
- These attacks may use legitimate applications, so the problem may not show up in antivirus/malware scans.
Unlike many other scams, RAT-based attacks do not require interaction with a scammer or taking action to download malicious software — for that reason, these attacks can seem "invisible". RAT-based attacks are versatile and difficult to detect, so they are particularly dangerous. It's important to look out for these red flags: - Clicking a link or attachment in a seemingly legitimate communication from a government department or trusted institution may appear to do nothing, unfortunately, a RAT may have been installed with no other notification.
- If your device suddenly displays a blue or black screen and a message like "Do not turn off your computer. Computer is currently being scanned," this may be a sign that a RAT attack is in progress. Immediately shut down the device, and report the incident to Schwab or any other custodian whose platform you may have interacted with ASAP.
Real-world RAT attack scenario example -- online account takeover: You receive a text message that appears to be from your financial institution, asking you to verify account information by clicking a link. This phishing text directs the user to a spoofed website, a RAT is downloaded to the device, and then the bad actor uses the remote tool to gain access to the user's online accounts to steal data or funds. The Schwab Security Guarantee may or may not be applicable for this type of loss — each incident will be reviewed on a case-by-case basis. In case of suspected RAT infection: - Disconnect from the internet immediately. This prevents the RAT from communicating with the attacker. Review and remove any apps on your device that you don't recognize. Caution: If you are unsure or unable to identify and/or remove the RAT yourself, consult a cybersecurity expert as soon as possible.
- If you are still unable to remove the software, consider factory resetting your device — this may be required to ensure complete removal of the RAT.
- Assume your credentials have been compromised, but don't change them until after you have successfully removed the RAT. Otherwise, the attacker may be able to discover and leverage your new credentials.
Take these steps today: Close the browser window you use to access Schwab Alliance or other secure websites as soon as your session is over. - Consider the "limited view option" for Schwab Alliance — this view can help to prevent unauthorized money movements in the event of an account breach.
- Be sure reputable antivirus/anti-malware software is active on each device you use.
- Avoid clicking on unknown or unsolicited links or attachments.
- To avoid landing on spoofed websites, type its full URL into your browser's address bar, and then add it as a favorite for your convenience later.
- Remove recently downloaded applications that you do not recognize.
- Add unique, strong passwords to your Schwab accounts, and consider the use of a password manager.
- Take advantage of advanced security features, such as multi-factor authentication, and biometrics.
- Keep devices updated and patched.
Remember: Report any suspicious activity and unauthorized transactions by contacting Schwab Alliance immediately at 800-515-2157.
Applied knowledge and awareness of how fraudsters operate are the best defenses to fight back against fraud, scammers and cyber-crime.
RAT-based attacks are a stark reminder that not all cyber threats come with obvious warning signs. These stealthy tools can turn trusted devices into gateways for fraud — often without the user ever realizing it. That’s why it’s essential to stay alert, adopt strong cybersecurity habits, and know what to look for. By staying cautious with links and downloads, using strong and unique passwords, enabling multi-factor authentication, and keeping your devices up to date, you can reduce your exposure to these evolving threats. And if something doesn’t seem right — trust your instincts and act quickly. When it comes to protecting your financial well-being, vigilance is your first and best line of defense.
~Additional Resource~
For more tips on protecting your accounts and staying ahead of evolving cyber threats, visit SchwabSafe by typing in Schwab.com/SchwabSafe in your browser. This resource offers practical guidance on safeguarding your digital life, with tools and insights designed to help you recognize scams, secure your devices, and respond quickly if something goes wrong.
Warm regards,
The Seascape Team
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