Spam is an unsolicited email which sends to large number of users without their request or interest. The email may contain a link called phishing email, which redirect users to a vulnerable website to compromise their sensitive information. In this post, we will discuss on “What is Spam in Computer”, types of spam and also discuss how to prevent from spam email.
What is Spam in Computer?
What is spam in computer? Spam is unsolicited and unwanted junk email that sent out in bulk to user’s computer through the internet. Typically, most spam message is sent for commercial advertising and phishing, which is economically very cost-effective medium for the spammer.
The spam is sent to the user’s computer in the different form such as bulk email, phishing email, social media posts, text messaging and blog comments.
It is observed, that maximum spam sent as email to the users mail box. Spam emails are time and resource consuming and some spam email are dangerous to handle. Spammer sends email to users in order to get sensitive information such as bank details, credit card information and personal identity.
Types of spam in computer
There are different types of spam in computer, which are as follows:
- Email Spam
- SEO Spam
- Mobile phone spam
- Link Spam
- Social networking spam
1. Email Spam
Email spam is a junk or unsolicited messages email that sent from scammers through email system. It is very difficult to identify the scammers and stop the spam email.
So, it is better if you receive a spam email then don’t open or click any links. A spam email may have the following symptoms:
- Address may like firstname.lastname@example.org.
- Use an unfamiliar sender name.
- Sending domain is not professional.
- Grammar and Spelling Errors.
- Attachment file is suspicious
- Request for credit card details, payment information.
- Incorrect sentence and repetitive punctuation.
2. SEO Spam
SEO (Search Engine Optimization) spam is also called spamdexing, is a set of techniques which used to improve the search engine ranking of a website. It is the most popular way to gain financial profit by hacking your website.
When the hackers have access your website admin panel, they may inject SEO spam into your website pages. A hacker can access your website using different ways such as outdated software, plugins, themes, admin credentials, and by sending phishing email.
After gaining access to a website, hacker injects their targeted keywords; create a link for malware website.
3. Mobile phone spam
Mobile phone spam is an unsolicited and unwanted text message that sent in bulk to target mobile phone. It is also called SMS spam or text spam.
The scammers sent spam to the mobile phone users through text messaging for the purpose of commercial advertisements. Some mobile recipients have to pay fee for every spam message received from scammers. Most of the mobile users receive or familiar this type of spam message.
4. Link spam
Link spam is a vulnerable link which is added by scammers on websites, discussion forums, and blog comments. It is also called comment spam or blog spam.
When you are visiting a website or discussion forum section, you may see some post filled with irrelevant links, so these links are spam link. If you click on that link then it may redirect to you a malicious website.
5. Social networking spam
Social networking spam is unwanted, malicious, unsolicited content which spread in many ways, including bulk messages, malicious links, fraudulent reviews and fake friends.
Spammers are now spreading spam using social media websites such as Facebook, twitter, Pinterest, LinkedIn, or MySpace. They may include vulnerable links, pornographic or product sites of a post using fraudulent accounts.
It is very difficult to track spammers, because they frequently change their address from one account to another.
How to prevent spam in computer
Already we have discussed “What is Spam in Computer” and types of spam in computer. Now, we will discuss on how to protect from spam in computer. Here are some special tips:
1. Don’t publish contact information
Spammers can easily find out your contact address such as email, phone number from your website or social media networking sites. So, it is better to keep your address as private or if possible then don’t publish your contact address on websites.
2. Avoid opening advertisement email
Most spam message is sent for the purpose of commercial advertising and phishing. So, if you receive an email which is related to advertisement then don’t open that email. This type of email main target is collect sensitive information from users and it may also contain URL to redirect to another website.
3. Don’t Open Suspicious Email
If you think the incoming email is suspicious then don’t click or open that email. A suspicious email may be spam email and it can also contain malicious code.
However, if you click on that suspicious link, then there has a chance to install malware on your computer or you may redirect to a vulnerable website.
4. How to check a link is suspicious or not?
To check a link is suspicious or not “hover your mouse over the URL and see where the URL is redirecting to you, if it is redirecting to your targeted site then the link is valid, otherwise the link is scammers site or suspicious”.
5. Keep up-to-date your website
You have to keep up-to-date your software and services in order to protect from spam. Attackers are looking for website vulnerabilities so; they can inject malicious code, or add spam content into the vulnerable site.
6. Don’t respond to spam email
If you receive a spam email or sender is unknown to you then never respond to that email. If you think the email is mistrustful then you can direct communicate with sender to approve as he sends the email.
7. Don’t Visit Unsecured Websites
An unsecured website may have spam, computer virus and malicious software. When you visit a website please check the site is secured or trusted. So, don’t visit an unsecured website in order to protect from spam to your computer.
You can check a website is secure by SSL (Secure Socket Layer) certificate. In URL, you can see that a website starts with https instead of http such as https:// such as: https://www.google.com.
8. Block the Email address
Most of the email providers have option to block the unwanted email address. If you continuously receive spam email from an email address, then there has an option to mark it as Spam. Here are the very simple steps to stop spam emails on email.
- Login and Open the Email Message
- Click on the Dotted Icon on the right side
- Click on Report Spam Email Address
Learn More about How to stop spam email
9. Use a Disposable Email Address
If you have to enter your email address for signup, submit comments, online shopping, travelling or others then try to avoid use your primary email address. In that case, use a disposable or secondary email address to protect from spam in computer.
Finally, spam is time-consuming and sent to users for commercial purposes. In this post, we have discussed “What is Spam in Computer”, types of spam and also discussed how to prevent from spam in computer.
Hope the article will be helpful for you!!!