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gregori [183]
1 year ago
15

What name is given to any changes to the original data such as users manually modifying data, programs processing and changing d

ata, and equipment failures?.
Computers and Technology
1 answer:
nadezda [96]1 year ago
3 0

Modification is the name given to an attack that makes changes into original data such as users manually modifying data, programs processing and changing data, and equipment failures.

In modification attacks, only changes are made to original data without deleting it completely. Modification is basically a type of attack in the context of information security. This type of attack creates annoying situations and discords by altering existing data in data files, inserting new false information in the network and reconfiguring network topologies and system hardware.

Modification attack is mainly mounted against sensitive and historical data. Modification attacks target integrity of the original data with an intent of fabricating it.

You can learn more about ha-cker attack at

brainly.com/question/14366812

#SPJ4

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Write a new program called Lab7D that will read strings from a text file and turn them into "encrypted code". Create a bool func
Aliun [14]

Answer:

I am writing a C program for the first part and Python program for the second part of the question.    

<h2>1st program:</h2>

#include <stdio.h>  //to use input output functions

#include <stdlib.h>  // used here to access exit function

void main() {  //start of the main() function body

char fname[100], character;

// fname is the name of the input file which contains characters and character //variable is used to store characters

FILE *original, *temporary;  

/* two pointers of File type: original is used for the original input file and temporary is used for a temporary file name aux.txt */

printf("Enter the name of the text file to encrypt : ");

//prompts the user to enter the name of the file to be encrypted

scanf("%s",fname); //reads the name of the file from user

original=fopen(fname, "r"); //open the input file in read mode

if(original==NULL)  {

//displays the following message if the file is empty or does not exists

 printf("Cannot open original file");  

 exit(1);  }  //program exits

temporary=fopen("aux.txt", "w");

//creates a temporary file named aux.txt and open that file in write mode

if(temporary==NULL)  { //if temporary file could not be created

 printf("Cannot create a temporary file");

 fclose(original); //closes the original input file

 exit(2);  }  //program exits

while(1)  {

 character=fgetc(original);  

/*pointer original moves through the input file and gets input from original input file one character at a time and store it in character variable */

 if(character==EOF)  

//when all characters are obtained and pointer is at end of file  {

  break;  //the loop breaks }

 else   {  //if EOF is not yet reached

  character=character+100;  

//add 100 to each character to encrypt the characters

  fputc(character, temporary);

 // fputc() writes a single character at a time to aux file } }

fclose(original);  //closes input file

fclose(temporary); //closes aux file

original=fopen(fname, "w");  //opens input file in write mode

if(original==NULL) { //if file does not exist display following message

 printf("Cannot open the original file to write");

 exit(3);  } //program exits

temporary=fopen("aux.txt", "r"); //open aux.txt file in read mode

if(temporary==NULL)  { //if pointer temporary is NULL

 printf(" Cannot open temporary file to read");

 fclose(original);  //closes input file

 exit(4);  } //program exits

while(1)  {

 character=fgetc(temporary);

//obtains every character from aux file pointed by temporary

 if(character==EOF)  //if end of file is reaced {

  break;   } //the loop breaks

 else   { //if end of file is not reached

  fputc(character, original);  

//puts every character to input file }  }

printf(" %s is encrypted \n", fname);  

//displays this message when input file is successfully encrypted

//closes input and aux text files

fclose(original);

fclose(temporary); }  

Explanation:

The program first asks the user to enter the name of the file. Then the program uses two pointers original for input file and temporary for aux text file. It first opens the file whose name is entered by the user and reads that file by getting each single character using fgetc() until the pointer reaches the end of the file. While reading each character of the input file, it encrypts every character using and puts that encrypted content in temporary file names aux.txt using fputc() until the pointer reaches the end of the file. Lastly all the encrypted strings of the are placed in the original input text file.

<h2>Second program:</h2>

# bool function that accepts character as parameter and returns true if its a #vowel and false otherwise

def isVowel(character):  

   if character.lower() in 'aeiou':  #converts uppercase char to lowercase

       return True  #return true if character is a vowel    

   else:

       return False #returns false if input character is not a vowel

The program has a function isVowel() which takes a character as a parameter to check if that character is a vowel. If character is in uppercase  letters, it handles these characters using lower() method to convert the character to lowercase and then returns true if that character is a vowel otherwise returns false. To check the working of the function you can replace True and False with print statement such as:

if character.lower() in 'aeiou':

       print("It is a vowel")

   else:

       print("It is not a vowel")

And after that you can call this function and pass a character to it as:

isVowel('i')

5 0
3 years ago
CHALLENGE ACTIVITY 4.2.2: Basic while loop with user input. Write an expression that executes the loop while the user enters a n
tino4ka555 [31]

Answer:

#include<iostream>

using namespace std;

int main()

{

int userNum;

userNum=9;

while(userNum>=0)

{

  cout<<"Body"<<endl;

  cin>>userNum;

}

cout<<"Done"<<endl;

return 0;

}

Explanation:

  • Use the userNum >= 0 expression that executes the loop while the user enters a number greater than or equal to 0.
  • Print the userNum inside the while loop.
3 0
3 years ago
Review universal data models and discuss how these are being used more widely today. Does a data modeling project using a packag
adell [148]

Answer:

2. A data modelling project using a packaged data model REQUIRES A GREATER SKILL than a project not using a packaged data model.

Explanation:

1a. Review of universal models:

A data model is an abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real world entities. It has become the standard approach used towards designing databases.

A universal data model is a template data model that can be reused as a starting point or a building block to jump-start development of a data modelling project, industry specific model, logical data models.

1b. Discuss how these are being used more widely today.

*Universal data models helps professional reduce development time, improve consistency and standardization while achieving high quality models.

*Higher quality: just as architects consider blue prints before constructing a building, one should also consider data before building an app. A data model helps define the problem, enabling one to consider different approaches and choose best ones.

*By properly modelling and organization's data, the database designer can eliminate data redundancies (needless repetitions) which are a key source for inaccurate information and ineffective systems.

2. Greater and advanced skills are adequate and required when data modelling project is done using packaged data model while fewer skills are required when data modelling is done without packaged data model.

7 0
2 years ago
Read 2 more answers
The area of the spreadsheet highlighted in red is the _____.
iragen [17]

A spreadsheet is a software application which is used to display numerical data in a tabular form. It has <em>further functions</em> which includes organizing, displaying, calculating data, etc where the data can be viewed at a glance and retrieved from memory.

There are <em>different types</em> of spreadsheet which includes:

  • <u>G00gle Sheet</u>
  • <u>Microsoft Excel</u>
  • <u>LibreOffice</u>
  • <u>Smartsheet,</u> etc.

Data can be arranged in rows and columns.

Please note that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.

Read more here:

brainly.com/question/22101774

5 0
2 years ago
What does the poster exemplify?
zloy xaker [14]

Answer:

try D

Explanation:

8 0
3 years ago
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