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Scammers will use a fake CRA email address or phone number to offer a refund. The message says the CRA owes you a refund and will ask you to click on a link to provide: Personal information such as your social insurance number, date of birth or your name. Online banking information to accept the refund by e-transfer.
- Short Message Service
- Multimedia Messaging Service
- Instant Messaging
- Push Notifications
- In-App Messages
- Rich Communication Services
SMS is one of the most common forms of mobile messaging. SMS, a short message service, is a standard text message sent using a cellular signal. SMS is limited to 160 characters per message and is strictly text-based. It costs pennies per message for users in the U.S. without an unlimited messaging plan. It is a great two-way communication tool for ...
MMS, short for multimedia messaging service, is sent over a cellular signal like SMS, but it has key differences. In particular, MMS is a text message accompanied by a media file, like a photo, video, or link. MMS allows users to send messages with more than 160 characters and can be more engaging than a text-only message. But, MMS requires more da...
Unlike SMS and MMS, instant messaging uses the internet to send and receive messages. Examples of instant messaging applications are WhatsApp, Facebook Messenger, KakaoTalk, Kik, and Line. Instant messaging is not limited by character count, but it does require both users to have the same application. For example, if you’re using Facebook Messenger...
Push notifications are clickable pop-up messages from an application. Often, a user must enable them before apps can send them. Once enabled, companies can send essential announcements to users. It’s important to note that push notifications don’t appear in the app but are sent to the home or lock screen of a mobile phone. Push notifications are a ...
In-app messages, as the name suggests, are messages users only receive when actively using a mobile application. These messages help keep users engaged, feel rewarded, or push them to convert. For example, when users enter the app, companies can share a welcome message to alert them about new deals or things happening with the brand. Or, businesses...
RCS is a messaging as a platform technology developed by Google. It is considered an alternative to traditional text messaging. The idea is that with RCS technology, consumers can get an app-like messaging experience through their phone's native messaging system. Users of RCS messaging can send richer and more engaging messages, including seeing an...
Tool to decrypt/encrypt using prime numbers. The Prime Numbers cipher consists in associating each character a prime number (2, 3, 5, 7, 11, …)
- Substitution Cipher
- Substitution by prime numbers, as the name suggests, is a cipher in which letters are replaced by prime numbers. By default, replace the 26 letters...
- The encryption uses a correspondence between prime numbers and letters. A 2 B 3 C 5 D 7 E 11 F 13 G 17 H 19 I 23 J 29 K 31 L 37 M 41 N 43 O 47 P 53...
- Decryption requires knowing the correspondence used between prime numbers and letters. By default, A=2 , B=3 , C=5 , … Example: The cipher message...
- The message is only made of prime numbers, mainly the first 26 prime numbers: $ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61,...
- It is possible to define an alternative correspondence (or random) between prime numbers and letters. Example: Random substitution: A=17 , B=43 ,...
Prime numbers are the numbers that are only divisible by themselves and 1, in other words, if we try to divide them by another number, the result is not a whole number. So, if you divide the number by anything other than one or itself, you will get a remainder that is not zero.
A natural number (1, 2, 3, 4, 5, 6, etc.) is called a prime number (or a prime) if it is greater than 1 and cannot be written as the product of two smaller natural numbers. The numbers greater than 1 that are not prime are called composite numbers.
A prime number is a natural number greater than 1 that has no positive integer divisors other than 1 and itself. For example, 5 is a prime number because it has no positive divisors other than 1 and 5.
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Jun 30, 2021 · A prime number is a natural number that can only be divided, without a remainder, by itself and 1. In other words, a prime number has exactly two factors. For example, 13 is only divisible by 13 and 1.
