Security Tip (ST18-004)Original release date: September 28, 2018 | Last revised: April 11, 2019 Show
Protect yourself from unwanted, and potentially harmful, files or programs by following cybersecurity best practices. What is malicious code?Malicious code is unwanted files or programs that can cause harm to a computer or compromise data stored on a computer. Various classifications of malicious code include viruses, worms, and Trojan horses.
How can you protect yourself against malicious code?Following these security practices can help you reduce the risks associated with malicious code:
What do you need to know about antivirus software?Antivirus software scans computer files and memory for patterns that indicate the possible presence of malicious code. You can perform antivirus scans automatically or manually.
Although anti-virus software can be a powerful tool in helping protect your computer, it can sometimes induce problems by interfering with the performance of your computer. Too much antivirus software can affect your computer’s performance and the software’s effectiveness.
There are many antivirus software program vendors, and deciding which one to choose can be confusing. Antivirus software programs all typically perform the same type of functions, so your decision may be based on recommendations, features, availability, or price. Regardless of which package you choose, installing any antivirus software will increase your level of protection. How do you recover if you become a victim of malicious code?Using antivirus software is the best way to defend your computer against malicious code. If you think your computer is infected, run your antivirus software program. Ideally, your antivirus program will identify any malicious code on your computer and quarantine them so they no longer affect your system. You should also consider these additional steps:
Threats to your computer will continue to evolve. Although you cannot eliminate every hazard, by using caution, installing and using antivirus software, and following other simple security practices, you can significantly reduce your risk and strengthen your protection against malicious code. Please share your thoughts. We recently updated our anonymous product survey; we'd welcome your feedback. What type of malware hides the actions or presence of other types of malicious software such as a virus?Trojan. A Trojan disguises itself as desirable code or software. Once downloaded by unsuspecting users, the Trojan can take control of victims' systems for malicious purposes. Trojans may hide in games, apps, or even software patches, or they may be embedded in attachments included in phishing emails.
What are the 4 types of malware?7 Common Types of Malware. Trojans. A Trojan (or Trojan Horse) disguises itself as legitimate software with the purpose of tricking you into executing malicious software on your computer.. Spyware. ... . Adware. ... . Rootkits. ... . Ransomware. ... . Worms. ... . Keyloggers.. Which type of malware executes in a hidden mode on the infected system and works in the background while pilfering sensitive data?Trojan Horses
Trojan horse programs are malware that is disguised as legitimate software. A Trojan horse program will hide on your computer until it's called upon. When activated, Trojans can allow threat actors to spy on you, steal your sensitive data, and gain backdoor access to your system.
Which of the following types of malware can hide its presence or the presence of other malware on the computer by accessing the lower layers of the operating system?A rootkit can hide its presence or the presence of other malware (like a virus) on the computer by accessing lower layers of the operating system or even using undocumented functions to make alterations.
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