Malware: The Silent Thief Behind Most Data Breaches

Stephen Wycoff
3 min readMar 28, 2024

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Imagine a break-in where the thief didn’t smash a window, but instead used a spare key hidden under the doormat. That’s how malware operates in the digital world, silently stealing your data through compromised devices. This is the concerning reality highlighted in SpyCloud’s 2024 Identity Exposure Report, which reveals a disturbing trend: malware was linked to the majority (61%) of data breaches in 2023.

Infostealers: The Culprit Behind the Scenes

The culprit behind this surge in malware-related breaches is a type of malware called an infostealer. These programs lurk undetected on a device, stealing valuable information like login credentials, personal details, financial data, and even sensitive documents.

How Infostealers Cause Data Breaches

Here’s a simplified look at how infostealers orchestrate data breaches:

  1. Infection: Malware infects devices through various methods, like clicking malicious links or downloading infected files.
  2. Data Collection: Once installed, the infostealer gathers information from the device, including keystrokes, saved logins, files, and even network details.
  3. Data Exfiltration: The stolen data is then sent to the attackers.
  4. Exploiting the Data: Criminals can use the stolen information for various malicious purposes, such as account takeover, identity theft, or selling the data on the dark web.
Photo by Carlos Muza on Unsplash

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SpyCloud Report: A Cause for Concern

SpyCloud’s report paints a concerning picture:

  • 61% of data breaches in 2023 involved infostealer malware, highlighting the prevalence of this silent threat.
  • Over 343 million stolen credentials were linked to infostealer breaches, creating a massive pool of potential targets.
  • The report also found that the average compromised identity appears in multiple breaches, increasing the risk of exposure for individuals.

The Growing Threat of Mobile Malware

While the report focuses on traditional devices, mobile phones are also vulnerable. Mobile malware can steal data, disrupt operations, and even infect other devices on the network.

Protecting Yourself from Malware Attacks

The good news: you can take steps to protect yourself:

  • Be cautious with emails and attachments. Don’t click suspicious links or attachments.
  • Practice good password hygiene. Use strong, unique passwords and enable two-factor authentication (2FA) whenever possible.
  • Keep your software up-to-date. Regularly update your operating system, web browser, and other software to patch vulnerabilities.
  • Consider security software. Anti-virus and anti-malware software can help detect and block threats, but vigilance is still crucial.
  • Be mindful of downloads. Only download software and applications from trusted sources.
  • Use caution with public Wi-Fi. Public Wi-Fi networks can be insecure, making your device more vulnerable.
  • Educate yourself. Stay updated on the latest malware threats and best practices for staying safe online.

Staying Vigilant in a Digital Age

By understanding how infostealer malware works and taking preventative measures, you can significantly reduce your risk of becoming a victim. Remember, vigilance is key! By being cautious online, practicing good security habits, and staying informed, you can help safeguard your personal information and maintain control over your digital identity.

Visit our blog at https://www.techcybersecuritynews.com/
Check out our YouTube Channel at:
https://tinyurl.com/3jzms24a

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Stephen Wycoff
Stephen Wycoff

Written by Stephen Wycoff

A new writer to Medium exploring different topics that pique my interest.

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