What is a Zero Click Attack?

September 17, 2023
20 min read
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Are you Safe from a Zero Click Attack?

As a business owner, you’re ultimately responsible for cybersecurity and protecting your business from malicious attacks. One type of cyberattack that should be on your radar is a zero click attack. In a zero click attack, the malware deploys on a device without the user clicking on anything or interacting with the malware in any way. This type of security threat is particularly concerning because it can go undetected for a significant amount of time and can potentially compromise a large number of devices.

You may have heard of a zero click attack recently in the news. In September, Apple became the victim of a zero-click attack. The attack targeted a specific group of Apple users, and it delivered the malware via iMessage.

Once the malware was on the device, it had the ability to harvest sensitive information such as passwords, financial data, and personal information. In addition, the malware was able to remotely control the device and carry out further attacks.

Apple has a reputation for having a secure operating system, but this attack raised concerns about the company's ability to protect its users. The company addressed the vulnerability by quickly releasing a security patch, but the damage had already been done.

It is important for users to be aware of the risks associated with zero-click attacks and to take measures to protect their devices. Let's take a closer look at how these attacks work and what security measures you should have in place to protect your business from a zero click attack.

How Does a Zero Click Attack Work?

Zero-click attacks are a sophisticated form of cyberattack that exploits vulnerabilities in software to gain unauthorized access to a device or system. These attacks are particularly insidious because they require no action from the user, making them difficult to prevent and detect.

Here are some crucial points to understand about zero-click attacks:

  • Exploiting Software Vulnerabilities: Zero-click attacks primarily take advantage of weaknesses in software applications. Cybercriminals look for these vulnerabilities in systems and applications, and once they find one, they can exploit it to install malicious code on a target device or perform other malicious interactions without the user needing to click on a link or take any action.
  • Targeting Data Processing Applications: Most zero-click attacks exploit vulnerabilities in applications that process untrusted data. These include text message (SMS) platforms, email apps, message apps, and phone apps. These apps receive and process data from untrusted sources before presenting it to the user. If an unpatched vulnerability exists within this data processing code, a specifically designed message can exploit it.
  • Executing Harmful Code Without User Input: The exploitation of vulnerabilities in data processing applications allows malicious messages or calls to execute harmful code on the device without any user input. This is what makes zero-click attacks so dangerous – they can compromise a device without the user even being aware of it.
  • Taking Advantage of Automatic Notifications: Actions like receiving an email or SMS don't require user interaction. Smartphones automatically display notifications based on the content of these messages, even before the user opens them. Zero-click attacks can exploit these automatic processes to launch an attack.
  • Leaving No Trace of the Attack: A cleverly designed malicious message can install malware and delete itself, also suppressing notifications, leaving no trace of the attack for the user. This stealthy approach makes it extremely difficult for users to realize they've been targeted by a zero-click attack until it's too late.

Zero-click attacks are a significant threat in today's digital world because of their stealthy nature and the difficulty in detecting and preventing them. It is crucial for individuals and organizations to keep their software applications updated and patched to minimize the risk of such attacks.

How to Protect Your Business from Zero Click Attacks

The growing prevalence of zero-click attacks can be a cause for concern among businesses. However, it's important to note that while these types of attacks do not require user interaction, there are still proactive measures that can be taken to mitigate their potential impact.

Here's how you can protect your business from zero-click attacks:

  • Stay Updated: One of the best ways to fend off zero-click attacks is by keeping your operating system, firmware, and apps on all your devices up to date. Software developers regularly release updates to patch vulnerabilities that could otherwise be exploited by cybercriminals. Therefore, always ensure that you install these updates as promptly as possible.
  • Download Apps from Official Stores Only: Downloading apps from unofficial sources significantly increases the risk of installing malware-ridden apps. Always download apps from official stores such as Google Play Store or Apple App Store. These platforms have stringent security measures in place to prevent the hosting of malicious apps.
  • Delete Unused Apps: Over time, you may accumulate apps that you no longer use. These apps can become potential entry points for zero-click attacks, especially if they are no longer being updated. Delete any apps you no longer use to minimize this risk.
  • Use Strong Authentication: Implement strong authentication methods, especially for critical networks. This could involve the use of multi-factor authentication, biometric data, or other advanced authentication methods. The goal is to make it as difficult as possible for an attacker to gain unauthorized access.
  • Implement Strong Passwords: Use long and unique passwords for all your accounts. Passwords should ideally be a mix of letters, numbers, and special characters. Avoid using common phrases or easily guessable information such as birthdays or pet names.
  • Regularly Backup Systems: Regular backups are essential for any business. They provide a safety net in case of a ransomware attack or other types of data loss. Having a current backup of all data speeds up the recovery process, minimizing downtime and potential loss of revenue.
  • Enable Pop-up Blockers: Many scammers use pop-ups to spread malware. By enabling pop-up blockers or adjusting your browser settings to prevent pop-ups, you can significantly reduce the risk of accidentally clicking on a malicious link.

While zero-click attacks are a potent threat, they are not undefeatable. By implementing the above strategies, you can significantly enhance your business's cybersecurity posture and reduce the risk of falling victim to these attacks.

Cybersecurity Solutions in Harrisburg and Central PA

In this rapidly evolving digital landscape, staying ahead of threats like zero-click attacks is more crucial than ever. As your trusted Managed Service Provider, we are committed to helping you navigate the complexities of cybersecurity. Our team of experts stays on top of the latest developments in the cybersecurity world, ensuring our clients are always one step ahead of potential threats.

Don't just take our word for it. Contact us for a comprehensive cybersecurity audit to see if your business is at risk for zero-click attacks. Our team will provide a thorough analysis of your current security measures, identify potential vulnerabilities, and offer tailored solutions to mitigate any risks.

In the fight against cyber threats, knowledge is power. Let Everound be your trusted partner in securing your company data. With our expertise and dedication, we can help you stay ahead of zero-click attacks and other cybersecurity threats. Reach out today and let us help you strengthen your defenses. Your security is our priority. Let us focus on your IT, so you can focus on your business.