What is a trojans virus

Threat hunting is the practice of actively searching for threats on corporate networks by skilled security analysts. Analysts use Security Information and Event Management SIEM systems to collect data from hundreds of IT systems and security tools, and use advanced searches and data analytics techniques to uncover traces of trojans and other threats present in the local environment.

Often, a simple user complaint about a slow machine or strange user interface behavior could signal a trojan. Triaging IT support requests with behavioral analytics and data from other security tools can help identify hidden trojans.

The following are common symptoms of trojans which may be reported by users:. Imperva helps detect and prevent trojans via user rights management—it monitors data access and activities of privileged users to identify excessive, inappropriate, and unused privileges. It also provides security and IT teams with full visibility into how the data is being accessed, used, and moved around the organization. Our comprehensive approach relies on multiple layers of protection, including:.

Trojans What Is a Trojan Virus Trojans are deceptive programs that appear to perform one function, but in fact perform another, malicious function.

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Any additional feedback? Hackers can impersonate a well-known bank, create a fake website, and trick users into typing their credentials. Usually, these types of scams are conducted through a malicious link in an email or text message.

Downloader Trojan. These Trojans have only one mission: to get inside your system and then download more malware. DDoS Trojan. In a DDoS attack, a target network, server, or service is flooded with a huge amount of traffic, which causes the system to crash. These attacks are usually executed by botnet armies, a bunch of infected devices that have no idea about the processes running in the background.

Fake antivirus Trojan. As the name suggests, fake antivirus Trojans pretend to be legitimate antivirus software. They cause panic among users by claiming that their system is infected and push them to pay for additional features.

If you decide to pay, things might get even worse. Ransom Trojan. This type of Trojan encrypts your data and holds it to ransom. If you refuse to pay the criminals, you might not get your files back. Ransomware often targets healthcare institutions, because they are more likely to pay money for getting their systems to work again. SMS Trojan.