Security Software Basics Security software is designed to protect computers from various forms of destructive software and unauthorized intrusions The terms malicious software and malware refer to any computer program designed to surreptitiously enter a computer, gain unauthorized access to data, or disrupt normal processing operations A blended threat describes malware that combines more than one type of malicious program Chapter 3: Computer Software

Security Software Basics Computer virus Computer worm self-replicating, spreads copies of itself to other computers via network Mass-mailing worm Trojan horse Keylogger Remote Access Trojan (RAT) Bot Attacker gains complete control of affected computer Zombie Botnet Spyware Chapter 3: Computer Software

Security Software Basics What does malware do? Chapter 3: Computer Software

Security Software Basics The term rootkit refers to software tools used to conceal malware and backdoors that have been installed on a victim’s computer A virus hoax usually arrives as an e-mail message containing dire warnings about a supposedly new virus on the loose Chapter 3: Computer Software

Antivirus Modules Antivirus software is a type of utility software that looks for and eradicates viruses, Trojan horses, worms, and bots A virus signature is a section of program code, such as a unique series of instructions, that can be used to identify a known malicious program, much as a fingerprint is used to identify an individual Virus signatures and other information that antivirus software uses to identify and eradicate malware is stored in one or more files usually referred to as virus definitions Chapter 3: Computer Software

Antivirus Modules Most experts recommend that you configure your antivirus software to periodically scan all the files on your computer If, during the scanning process, your virus protection software identifies a virus, worm, Trojan horse, or bot in a file or attachment, it can try to remove the infection, put the file into quarantine, or simply delete the file Chapter 3: Computer Software

Can you name some popular antivirus software brands? Norton McAfee Trend Micro Malwarebytes Avast AVG Chapter 3: Computer Software

Buying Software Consumer Basics Software Copyrights and Licenses Chapter 3: Computer Software

Consumer Basics Most operating systems include a handful of small applications and a good variety of useful utility software Figure 3-27 Chapter 3: Computer Software

Consumer Basics A software suite is a collection of application software sold as a single package Figure 3-28 Chapter 3: Computer Software

Security Suites A security suite integrates several security modules to protect against the most common types of malware, unauthorized access, and spam A security suite often times costs less than purchasing standalone security modules Chapter 3: Computer Software

Consumer Basics Available in many types of stores Software contained on distribution media Make sure your computer meets the system requirements Figure 3-29 Chapter 3: Computer Software

Software Copyrights and Licenses A copyright is a form of legal protection that grants the author of an original “work” exclusive rights Software licenses define the ways in which you may use a computer program Single-user Site Multiple-user Concurrent Shrink-wrap Figure 3-31 Chapter 3: Computer Software

Installing Software and Upgrades Installation Basics Installing Local Applications Installing Portable Software and Web Apps Software Updates Uninstalling Software Chapter 3: Computer Software

Installation Basics Software installation is a process that places a program into a computer so that it can be run or executed Figure 3-34 Chapter 3: Computer Software

Installing Local Applications Figure 3-37 Chapter 3: Computer Software

Installing Local Applications Figure 3-38 Chapter 3: Computer Software

Installing Portable Software and Web Apps Portable software is designed to run from removable storage, such as a CD or USB flash drive Installation is simply a matter of getting program files to the media on which they are supposed to run A Web application is software that is accessed with a Web browser May require client-side program to be installed Chapter 3: Computer Software

Software Updates Software publishers regularly update their software Add new features Fix bugs Update security Software patches replace part of the software you currently have installed Service packs correct problems and address security vulnerabilities Chapter 3: Computer Software

Software Updates Updates are usually available online for registered software Always install patches and service packs when they become available Many software publishers require users to type in a validation code to complete an update Chapter 3: Computer Software

Uninstalling Software Uninstall routines delete the software’s files from the various folders on your computer’s hard disk Figure 3-42 Chapter 3: Computer Software

File Types, MS Word, and MS Excel

File Types/Extensions Name that file extension! .doc Microsoft Word Document

File Types/Extensions Name that file extension! .docx Microsoft Word Open XML Document

File Types/Extensions Name that file extension! .log Log File

File Types/Extensions Name that file extension! .rtf Rich Text Format File

File Types/Extensions Name that file extension! .csv Comma Separated Values File

File Types/Extensions Name that file extension! .ppt PowerPoint Presentation

File Types/Extensions Name that file extension! .gif Graphical Interchange Format File

File Types/Extensions Name that file extension! .pdf Portable Document Format File

File Types/Extensions Name that file extension! .xlsx Microsoft Excel Open XML Spreadsheet

File Types/Extensions Name that file extension! .exe Windows Executable File

File Types/Extensions Name that file extension! .msi Windows Installer Package

Microsoft Word

Microsoft Word Word processing software Commonly used for: resume creation cover letter creation documentation design documents requirement documents status reports

Can save a Word document in many different file types

Ribbon Beginning with Office 2007 Microsoft began to utilize a “Ribbon” Contains toolbars Arranged in tabs

Home tab Allows you to change thing like: font (type, size, color, etc.) bolding, italicizing, and underlining of text

Home tab It also allows you to change the text alignment (ex. center text) change line spacing (ex. double spaced) create bulleted, numeric, or outlined lists

Insert tab Allows you to insert thing like: tables pictures shapes charts

Inserting a table Click on “Table”

Select how many rows and columns you’d like to start with by hovering over the blocks. Click when you have the number of blocks you want selected. In this example I have selected 4 columns and 2 rows

Your table will be inserted into your Word document

All cells will be highlighted once the entire table has been selected. You can select your entire table by clicking within it and then clicking the 4 arrow cross. All cells will be highlighted once the entire table has been selected.

By right clicking on the selected table we are provided with a number of options

We can insert more columns or rows, merge cells, etc.

By clicking on “Borders and Shading By clicking on “Borders and Shading...” we are provided with additional options we can apply to our table.

We can change how our table’s borders appear or we can remove them completely

Microsoft Word Demo

Microsoft Excel Spreadsheet software Commonly used for: performing calculations forecasting reporting Analysis documentation requirement documents matrixes charts

Microsoft Excel Allows a user to easily sort data filter data perform “what if” analysis auto-fill cells drag and drop information Excel can have a connection to a database, thereby allowing it to pull data from it

Can save an Excel document in many different file types

Ribbon Similar to the one in word

The “Home” tab allows us to easily change the formatting of numbers

A spreadsheet is made up of rows (represented by numbers), columns (represented by letters), and cells (represented by a letter/number combination In this example the selected cell is C5

We can type information into a cell

More importantly we can type formulas into a cell

Once we enter the formula the cell displays the result of it.

Another formula example A1:A5 is called a range of cells The sum function is telling excel to sum the numbers in the specified range

Excel provides a ton of useful functions that can be applied to data Examples include: sum average max min if year

Microsoft Excel Demo

OpenOffice Demo OpenOffice is an open source free office suite Similar to Microsoft office it has applications for Word processing Spreadsheets Presentations Database Drawing

LibreOffice Demo LibreOffice is an open source free office suite Similar to Microsoft office it has applications for Word processing Spreadsheets Presentations Database Drawing

Google Docs Demo