How to Prevent Bad Bots Attack for Secure Websites?

How to Prevent Bad Bots Attack for Secure Websites?

What are bad bots, and why is it a risk for your website? In this guide, we closely examine these web nuisances, how they hide their identity, their effect on your online business, and the methods to block them effectively. If you're wondering about good vs. bad bots and how to keep your site secure, this article is for you.

Key Takeaways

  • Introduction to bad bots and the ways they disrupt website traffic.
  • Discover how these bots use deceptive tactics, such as changing IP addresses.
  • An in-depth look at how these bots can create problems for online shops.
  • Differences between good bots and bad bots' activities.
  • Useful insights into common bot-related questions and bad bot traffic in our FAQ section.
  • Step-by-step guide on how to block these bots using the CloudPanel interface.

Types of Bad Bots and Their Impact on Websites

Different types of bad bots and their harmful effects on websites

Bad bots are automated programs that perform malicious website activities, causing various security and performance issues.

Understanding the types of bad bot traffic and its impact on websites is crucial for website owner and adminis to protect their online assets and user accounts. This section will discuss three common types of bad bots: spam bots, monitoring bots, and credential-stuffing bots.

1. Spam Bots

Spam bots are one of the most prevalent types of bad bot activity, responsible for posting unsolicited messages, comments, or advertisements on websites, forums, and social media platforms.

They can quickly overwhelm a site with irrelevant or inappropriate content, impacting its credibility and user experience. Moreover, spam bots can consume valuable web server resources, resulting in slow page load times and potentially causing downtime for legitimate users.

2. Monitoring Bots

Monitoring bots are another type of malicious bots, often used by competitors or malicious actors to scrape and track information from websites.

They can gather data, such as pricing, product details, and user-generated content, which can then be used for nefarious purposes or to gain a competitive advantage. Monitoring bots can also cause performance issues by consuming server resources and bandwidth, leading to slow load times and a poor user experience.

3. Credential Stuffing Bots

Credential stuffing is a cyber attack in which malicious bots attempt to gain unauthorized access to user accounts by systematically testing stolen login credentials. These bots can cause significant financial loss, data breaches, and reputational harm. Credential stuffing bot activity can also lead to account lockouts and service disruptions for legitimate users, generating a high volume of failed login attempts.

Good Bots vs. Bad Bots: What's the Difference?

Good Bots

Good bots are software programs that perform useful and legitimate tasks, often mimicking human behavior to provide valuable services. Some examples of good bots include:

  1. Search Engine Bots: They crawl and index websites to help search engines like Google and Bing deliver users accurate and relevant search results.

  2. Monitoring Bots: These bots monitor website performance, uptime, and security, help website owner maintain optimal performance.

  3. Data Harvesting Bots: Good bots can gather data and information from various sources for analysis and research purposes.

Good bots generally follow guidelines set by website owners, like respecting the robots.txt file, which tells bots which parts of the website they can access. These bots positively impact traffic, as they contribute to better search engine rankings and improved user experience.

Bad Bots

Malicious bots are harmful software programs designed to cause harm, promote data theft, or disrupt services. They do not follow website owners' guidelines and can negatively impact internet traffic and user experience. Some examples of bad bot activity includes:

  1. Spam Bots: They spread spam content, such as unsolicited emails or comments, to promote products or services, often leading to a poor user experience.

  2. Content Scraping Bots: These bots steal data from websites and republish it without permission, negatively affecting search engine rankings and legitimate traffic.

  3. Credential Stuffing Bots: They use stolen login credentials to gain unauthorized access to customer accounts, leading to privacy and security issues.

Bad bots can significantly impact web traffic by causing a surge in server requests, leading to slower load times and potential server crashes. They also lead to an increase in bounce rates and a decrease in conversions, as users tend to leave websites that load slow or seem insecure.

Identifying and Blocking Malicious Bots

Key strategies for identifying and blocking malicious bots

The growth of the internet has led to an increase in the number of malicious bots that can cause real harm to websites and networks. Identifying and blocking these malicious bots is crucial to protecting your online assets.

1. Analyzing IP Addresses

One of the most common method of identifying malicious bot activities is by analyzing IP addresses. Bots often use a range of IP addresses to carry out their activities. By monitoring website traffic and blocking the IP addresses accessing your site, you can identify patterns and anomalies that may indicate the presence of a malicious bot. There are several solutions such as CloudPanel that can help you block IP addresses.

2. User Agents

Another method to identify malicious bots is by analyzing user agents. The user agent is a set of strings that web browsers and other programs send to web servers to identify themselves and provide information about the software they are using. Malicious bots often use fake or suspicious user agents to disguise their true nature.

To prevent bots, you can analyze agent strings and look for patterns that may indicate suspicious behavior. For example, you can check if the user agent is associated with known user's browser or is using an outdated or unsupported browser version.

There are also online resources and libraries available that can help you identify suspicious user agents and maintain a list of known malicious user agents.

3. Bot Management Solutions

In addition to analyzing IP addresses and user agents, implementing a bot management solution can effectively protect your website and network from malicious bots.

Bot management solutions use advanced algorithms and machine learning techniques to identify and block bots in real-time automatically. These solutions can analyze a wide range of factors, such as user behavior, request patterns, and the reputation of IP addresses, to accurately distinguish between legitimate and malicious online traffic.

Preventing Bot Attacks and Protecting Sensitive Information

1. Detect and Block Bad Bots

One of the most effective strategies to prevent other bad bots is combining bot detection and blocking tools. This can include:

  1. Web Application Firewalls (WAF): A WAF can help identify and block malicious traffic, including bad bots, by analyzing incoming requests to your web applications.

  2. Rate Limiting: Implementing rate limiting can slow down or stop automated bots from accessing your website or application too frequently, which can help prevent data scraping and other malicious activities.

  3. User-Agent Analysis: Analyzing user agents can help identify patterns and characteristics of bad bots, allowing you to block them from accessing your site.

  4. Captcha: Requiring real users to complete a challenge can help differentiate between legitimate human users and bots, preventing bots from accessing sensitive information.

2. Protect Sensitive Information

It is important to implement strong security measures to safeguard sensitive data, such as credit card information. This can include:

  1. Encryption: Encrypting data in transit and at rest can help protect it from unauthorized access by bad bots.

  2. Tokenization: Replacing sensitive data with non-sensitive tokens can help prevent the exposure of sensitive information during a data breach.

  3. Access Control: Implementing access control measures, such as role-based access control (RBAC), can help ensure that only authorized users can access sensitive information.

3. Require Users to Verify Their Identity on Social Media

You can prevent bad actors from impersonating legitimate users on social media platforms. It is essential to require users to verify their identities with the following methods:

  1. Two-Factor Authentication (2FA): Requiring users to provide a second form of authentication, such as a one-time password (OTP) sent to their mobile device, can help ensure they are who they claim to be.

  2. Account Verification: Social media platforms can implement verification processes, requiring users to submit a copy of their ID or proof of address to confirm their identity before granting access to sensitive features or information.

CloudPanel Bots Blocking

Blocking harmful bots is easy directly from CloudPanel. To restrict a Bot from accessing your site, navigate to the Security tab in CloudPanel. Select the Add Bot button in the top right.

CloudPanel interface used for blocking malicious bots

Enter the Bot Name and click on the button Add Bot to save.

Note: The Bot Name is not case-sensitive. For example, Badbot would be the same as BadBot.

FAQs: Prevent Bad Bots

1. What are bad bots, and how does malicious bot traffic affect websites?

Malicious bots are automated software applications that perform harmful activities on the internet. They can disrupt traffic by scraping data, spreading spam, launching DDoS attacks, brute force attacks, phishing attacks, and other automated attacks. It cases a significant surge in harmful bot traffic that could harm websites and databases.

2. How do malicious bots cause issues in e-commerce?

Malicious bots can wreak havoc in the e-commerce sector. They are known for harmful practices such as price scraping, distorting website analytics, and stealing sensitive customer data. Contributing to so much traffic that's malicious can severely disrupt a site's operations and user experience, leading to a potential loss of revenue and reputation.

3. What's the difference between 'bad bots' and 'good bots' in managing bot traffic?

Good bots perform practical legal tasks and follow website guidelines. They impact bot traffic positively and include bots used by search engines to index websites for results. Bad bots carry out harmful and unauthorized activities, adversely affecting bot traffic.

4. What risks do bad bots pose, especially considering their ability to mask IP addresses?

Bad or malicious bots can introduce significant risks by manipulating website bot traffic. They can strain servers to the point of service denial, distort web content, exploit security weaknesses, and swipe all the data. A hallmark of their operation is their ability to camouflage their real IP addresses, which allows them to evade conventional security measures and increases the difficulty of tracking and tackling them.


In this article, we've broken down the issue of bad bots. we covered different types of bots and how to prevent bot attacks. Use the methods mentioned in this article to fight bad bots. With web hosting panels like CloudPanel, you can keep your website safe and secure. Check out CloudPanel today!

Nikita S.
Nikita S.
Technical Writer

As a lead technical writer, Nikita S. is experienced in crafting well-researched articles that simplify complex information and promote technical communication. She is enthusiastic about cloud computing and holds a specialization in SEO and digital marketing.

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