Tag Archive for: Removal

10 Botnet Detection and Removal Best Practices


If your device suddenly behaves like a re-animated zombie, you might be under a Botnet attack.

Also known as a zombie army, these attacks involve hijacking internet-connected devices infected with malware, controlled remotely by a single hacker. The scale of these attacks is immense, as demonstrated by a cyber assault that exploited 1.5 million connected cameras to overwhelm and take down a journalist’s website.

As the IoT market grows exponentially, reaching 75.4 billion devices by 2025, the need for robust botnet detection and removal becomes critical for digital safety.

How Does a Botnet Attack Work?

A botnet functions as a network of compromised devices, each under the control of a malicious actor. Typically, these devices become infected unknowingly through activities like visiting a malicious website, where malware is automatically downloaded without the user’s awareness. Once compromised, a device becomes part of the botnet, essentially a collective of hijacked devices.

The lifecycle of a botnet involves several key stages:

Infection

The process begins with the initial infection of individual devices. This can occur through various means, such as users unknowingly downloading malware from malicious websites, falling victim to phishing schemes, or exploiting vulnerabilities in software. 

One prevalent method involves the mass sending of phishing emails to target systems. These phishing schemes can be challenging to detect, even for vigilant users and advanced alert systems. The insidious nature of malware lies in its ability to infiltrate devices, unpack viruses, and take control, often without the user’s knowledge.

Propagation

Once a device is infected, it becomes part of the botnet and can be used to propagate the malware further. This can involve exploiting known software vulnerabilities, enabling the botnet to rapidly expand its reach by infecting other vulnerable devices.

Command and Control (C2)

The botmaster establishes control over the compromised devices through a command-and-control server (C2). This server serves as the central hub for communication between the botmaster and the infected devices. The botmaster can issue commands to the entire botnet or…

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10 antimalware tools for ransomware protection and removal


The best course for enterprises to prevent the risk of malware and ransomware is security awareness training. The next best course is to use tools that can detect, isolate and remove ransomware threats.

Ransomware protection, prevention and removal tools come in many forms. These features are included in most antimalware tools, endpoint detection and response (EDR) products and other security tool suites.

Let’s examine how antimalware tools work and look at 10 leading products that integrate well with enterprise IT infrastructures.

What are antimalware tools?

Antimalware is software engineered to scan devices and monitor network traffic for malware signatures and traffic anomalies. It is deployed on endpoints, networks and other systems.

Antimalware differs from traditional antivirus software that relies on traditional signature-based methods. Antimalware and antivirus software are sometimes deployed as a single application. In some cases, data is transferred to an antimalware sandbox for further analysis before sending the traffic to its destination.

Generally speaking, antimalware tools focus on the following coverage areas — some more so than others — to identify and remediate attacks that might occur:

  • Email servers.
  • Web traffic.
  • Endpoint scanning.
  • Network traffic signature and anomaly detection.

Such tools track malware from the entry point, across the network and to endpoints where infections could have occurred. When an event occurs, security teams can streamline their investigations and response. Compromised devices can be quarantined quickly from the rest of the corporate network to reduce further exposure.

Top 10 antimalware tools

Note that ransomware is a type of malware that can be detected by antimalware tools. Vendors might label specific tools as “anti-ransomware” or “ransomware protection, detection or removal,” but the industry standard is to group them as “antimalware.”

The following list is a sample of the types of enterprise-grade antimalware available today that include ransomware protection. While there are plenty of other options, these tools are widely deployed by businesses small and large. Tools are listed in alphabetical order.

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Comodo Internet Security 8.2 review



Bitdefender Internet Security 2017 Review