Sending large amount of restricted electronic message is illegal. People who send create or send electronic spams are called spammers. Spamming is abuse of electronic messaging systems for sending restricted bulk messages using a computer or a cellular phone. Most popular form of spam is E-mail Spam. Email spam is annoying and dangerous to email users depending on intention of sender. Some senders of Spam Email combined it with Email Spoofing techniques, so that it would not be easy to determine original email address of the sender.  Spam emails are dangerous because it may come along a malicious link that happen to be a virus or requesting for sensitive information on a web form opened through this link. Other media that are used also include:


Mobile Phone Messaging Spam – SMS spam is also referred so as cell phone spam is junk message sent to a mobile phone as text messaging through SMS. SMS Phishing also known as Smishing is normally carried out through send malicious SMS to mobile phone users. Sender may steal your personal information by tricking to open a link within a text message to redirect you to a fake Webpage where you have to input sensitive information like your bank account login detail and password or any other sensitive information. Know how SMS Phishing or Smishing are carried out by cyber criminals so that you will always be able to recognize a fake SMS  intended to harm you or to fraudulently obtain your data.

Classified Ads Spam – Mostly free Classified Ads websites are you used by spammer to post their fake or malicious messages that lead viewers to loss of money by investing on or buying their products and services or leading viewers of advert through a url to their webpage in order to buy and pay for their fake products and services or a web form link requesting for viewer’s sensitive information. It also important that viewer of Classified Ads on any Ads website most know How to Detect a fake Ads on any classified Ads website. Attackers around the world have used and still using Instant Messaging System to deliver stuffs quickly. Instant Messenger are easier to use for delivering dangerous messages, webpage links, pictures, etc. that may lead your device to get crashed or hacked.

Instant Messaging Spam- Instant messaging is the sending of instant messages through a messaging application or web-based between two connected users. Examples of Instant Messaging System are WhatsApp and Facebook Messenger:

WhatsApp and Facebook messenger are most popular Instant Messaging system available almost on every Smartphone in the world. They are being used to send text messages, new, rumors, updates, sharing of images, videos, and audio files. Facebook bought WhatsApp few years back, and now Whatapp is completely belong to Facebook company. Facebook company has developed and applied security and privacy features on WhatApp that stopped spamming as well. Instant Messaging Systems are mostly widely used media to deliver malicious and fraudulent campaign and attacker and cybercriminal around the world are using them because it is instant messaging. Spam messages are sent in form of news, advertisement, sharing, update or rumor and this may contain malicious links that are used to hack mobile device, request for sensitive information or indented to crash your mobile device. It is important for every mobile device and instant messaging user to know how to detect a spam message by watching out the links included in the message, identify sender’s number and block them when noticed that it is spam so that user may not become a victim of latest virus that crash mobile phone or victim of Identity theft. Other popular Social Media Instant Messaging System include Skype, Viber, WeChat, Google Talk, etc; Spammer utilized them same way.

Internet Forum Spam- Internet Forum is also known as message board, it is similar to newsgroup. It is an online discussion site on a specific webpage where internet user and people hold discussions on a particular topic in form of writing and posting messages. Messages that are posted should be carefully watched because they may contain links that harmful, and attacker persuade reader to click on it to get more information about his post, if this links happened to be harmful then reader of post become a victim.  Knowing How to recognize a harmful link or a fake looking url is very easy if reader of a post could understand url structure and parameters, and how a linked page is created.

Social Media Spam- Unlike other spam techniques, Social Media Spam are carried out only on social media websites by sending, sharing or posting unsolicited bulk messages, images and video files containing links through a spammer’s social media created and operating accounts. Fake accounts are created and operating by spammer, spammer makes friends and follows other accounts on same social media; they follow them to become their friends and these same users are likely to follow them back. After acquiring followers and friends, spammer will begin to carry out his spamming and illegal activities. Cybercriminals who are spammers may decide to attack friends and other users by hacking their accounts so that the attacked ones will not able to have access into their accounts any more.  Spammer also send bulk fraudulent messages, harmful post and spreading malicious links created to deliver dangerous malware or that linked to a phishing page to obtain sensitive information like bank account login or credit card details or account passwords. There are several rules that protect all social media users from spam; it helps every corporate or personal social media user understand how to prevent social media spam.

Network Sharing Spam- Network Sharing Spam is similar to Usenet system that allow group of people in a particular network share any kind of messages including embedded and linkable messages. Network member are always need to be careful and watch links and file carefully before opening them to avoid Malware Attack and other malicious intents.

Blogging Spam- Blogging spam is obviously almost same as search engine spam. Every blogger are all time longing for quick online presence, unwise blogger used to copy and duplicate contents and keywords with a thought that the more they post same contents or applied same keywords on different urls the more they are found online; which is wrong. It is illicit, and search engine does not respect such action, contents or keywords that are duplicated are restricted to be searchable otherwise all duplicated contents are always redirected to original one.

Search Engine Spam- Web or Search Spam means excessive manipulation of web contents or keywords to gain search engine rankings which also make a website to gain more popularity and exposure than how it deserves. Some web author use this illicit techniques to ensure that their site appears more frequently in the search results. It is strongly discouraged and restricted by all search engines and there are penalties associated with the use of such techniques. Sites or Contents from such spammer are excluded from the search engine, but if the contents are actually a copied or duplicated contents then search engine may sensitively and carefully redirected them to original content. The following are some illicit publishing that should be avoided: Duplication of pages on multiple urls, tiny text and unclear or hardly visible text, IP Clocking, redirection from or to hidden pages, duplicating or repeating of keywords on multiple urls or websites, and Use of keywords not relating to information on page.

Usenet Newsgroup Spam- Usenet system is a network that host groups in different location over the internet. Usenet system for Newsgroup is similar to Internet discussion forum. It is also used for message posting from many users in different locations over the internet. Excessive multi posting and cross posting are allowed on Usenet system from different groups on the Usenet network. Spam messages or articles can be sent through the network to another groups in same Usenet network. Messages that are posted should be carefully watched because they may contain persuasive harmful links that may lead to information loss, Malware Attack or Identify Theft. Cyber criminals also utilized Usenet for distribution or sale of pirated Software, distribution or sale of Pornographic items,  distribution or sale of hacking tools, distribution or sale of stolen items like credit cards, computer parts, etc.

It is not easy to stop or control spamming because internet business promoters and advertisers always look for way to deliver possible large of messages at lowest cost to targeted internet users on the internet. Cyber criminals are always taking advantage of this opportunity to send fraudulent messages to targeted or untargeted internet users. Anonymous online advertisers and cyber criminals send Spam messages to internet and mobile phone users, these messages are very difficult to trace or hold senders accountable for their spam activities over internet. Spamming is also used as vehicle to deliver harmful virus to a target. So, it very important for every internet user to know how to recognize a spam message on every message they have received.




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Olalekan Admin

Cyber Security Engineer

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