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Table Of Contents
  • Internet Security Homework Help
  • Methods of combating threats that are catered to by our Internet Security Homework Help
  • How do digital signatures work?
  • Firewall

Internet Security Homework Help

What is internet security?

Internet security refers to all the security measures taken to protect transactions made online. It comprises the browser security, the overall authentication, and protection of data sent via internet protocol, and the security of data entered through a web form. Internet security also encompasses specific resources and standards for protecting data sent via the internet. The resources include various kinds of encryption like the Pretty Good Privacy (PGP) and other aspects of a secure web setup like firewalls that block unwanted traffic. Others include anti-malware and anti-virus programs that work from specific devices or networks to monitor dangerous attachments on internet traffic.

The concept of internet security has become a top priority for both businesses and governments. Perfect internet security protects financial details. It protects the agency’s network hardware and servers from being compromised. Any threat to a company’s information may collapse its operations or bring a business to its knees.

Since internet security has become a top priority, universities and colleges across the globe now teach it as part of computer-related courses. At Programminghomeworkhelp.com, we have online internet security programmers who possess great knowledge of the subject. They can handle all kinds of homework in this area. Avail of our internet security homework help if you are facing hurdles with your homework.

Security Protocols

Internet security uses two specific security protocols. They are:

· Internet Security Protocol (IPSec)

This is a set of protocols designed by the IETF (Internet Engineering Task Force). These protocols offer security at the network level. Internet security protocol creates authenticated and confidential packets for the IP layer.

· Security Socket Layer (SSL)

This security protocol was developed by the Netscape Communications Corporation. It is charged with the task of providing security at the transport layer. The SSL addresses security issues related to privacy, authentication, and integrity.


Threats to your internet security can impact your systems and network data such as those held by bank accounts. Today, Cybercriminals use sophisticated techniques to breach the privacy of businesses and organizations.

Mentioned below are some of the common internet security threats:

· Malware

· Mobile worms

· Phishing

· Spam

· Attacks such as Stuxnet that attempts to destroy the internet infrastructure

· Hacking

· Mobile and PC ransomware

Email Phishing

You have probably received an email or text message from your bank warning you of fraudsters masquerading as them. Your bank probably told you not to share your bank details or personal information with those people. Well, this activity of sending emails to users while claiming to be legitimate enterprises while you are not is called email phishing. Cybercriminals carry out this activity to steal sensitive information such as your bank pin, username, credit card details, etc.

How can you identify a phishing email?

A phishing email can contain the following:

· Bad grammar and spelling errors

Ignore emails that contain grammatically incorrect texts because they can be spam.

· Links

You should be wary of links in your email. Do not click any suspicious links.

· Threats

Most fraudsters use threats in these emails. They might tell you that your account will be closed if you don’t respond to their email.

· Spoofing popular companies or websites

Phishing emails may also contain graphics that make them look like they are linked to legitimate websites but they are not.

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Methods of combating threats that are catered to by our Internet Security Homework Help


This is a security method where information is encoded in such a way that only authorized users can read it. A ciphertext can only be read if the decrypted text is generated using an encryption algorithm.

Types of Encryption

Encryption schemes are of two types:

· Public Key encryption – It has a pair of keys. One is a secret key while the other is a public key. The keys are mathematically linked to each other.

· Symmetric-key encryption - This algorithm uses the same cryptographic keys for both encryption and decryption of ciphertext.

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Insecurity, the hashing technique is used to encrypt data and generate unpredictable hash values. The hash code generated by the hash function helps to protect the security of transmission from unauthorized users.

The Hash Function Algorithms

The hash algorithm verifies that the message received is the same as the message sent. A hashing algorithm can take a plain text message and compute a value based on that message.


· The computed value length is usually shorter than the original message

· There is a possibility that different plain text messages could generate the same value.

Here is a sample of a hashing algorithm where we are going to multiply the number of a’s, by e's and h's, and then add the number of o's in the message to the value.

If our message is “The safe’s combination is two, seven, three, five”, We can hash it using the algorithm above in the following way:

In the message we have:

· 2 – a

· 7 – e’s

· 1 – h

· 3 –o’s

Our algorithm was (a’s x e’s x h’s) + o’s.

The hash of this message will be (2 x 7 x 1) + 3 = 17. It will be sent to the recipient along with the cipher message. The recipient will decrypt the message and compute its hash value using the agreed algorithm. If the decrypted message’s hash value doesn’t match the hash value received, then the recipient will know that the message has been altered.

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Digital Signature

A digital signature is a security method used to validate the authenticity and integrity of a message, digital document, or software. It is the digital equivalent of a stamped seal or a handwritten signature. Digital signatures are intended to solve problems that result from impersonation and tampering in digital communications. Additionally, they provide assurances of identity, evidence of origin, and the status of an electronic document. A digital signature can also acknowledge the consent of the signer. Several countries like the United States consider digital signatures to be legally binding just like traditionally signed documents.

How do digital signatures work?

Digital signatures are based on asymmetric cryptography. One can use the public key algorithm to generate two keys that are linked mathematically. One key is private while the other one is public. The private key is used by the person creating the digital signature to encrypt the signature-related message. This message can only be decrypted using the signer's public key.

The parties associated with the signer must trust that the signer can keep the private key a secret. This is because if anyone gets access to the private key, that person can create fraudulent messages in the name of the private key holder.

There are several reasons why companies implement digital signatures for communications. We have outlined some of them below:

· Authentication - A bank can use a digital signature to authenticate its messages. For example, suppose the branch office sends a message to the head office requesting a change in the balance of an account. The central office has to authenticate that the message has indeed come from the branch office. Acting on such a request without authentication can be a grave mistake.

· Integrity – A digital signature upholds the integrity of the message. Any changes to the message once it has been signed would invalidate the signature.

· Non-repudiation – Digitally signed documents can be used as future proofs. Any entity that signed the document cannot deny signing it at a later time.

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A firewall acts as a barrier between the local area network (LAN) and the internet. It ensures that private resources are kept confidential and security risks are minimized. A firewall also controls network traffics in both directions. A firewall system comprises of two types. There is one that uses proxy servers at the user, application, or network layer, and the other that uses filters at the network layer.

Many devices like macOS, Windows, and Linux computers come with a built-in firewall. This shows just how important firewalls are and how they have since become the foundation of network security.

How does a firewall work?

It establishes a border between the network it guards and the external network. A firewall is installed inline across a network connection. Its work is to inspect the packets entering and leaving the guarded network. A firewall is pre-configured with a set of rules that helps it distinguish between malicious and authentic packets.

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Avail of our Internet Security Project Help if you need assistance with the following topics

Our seasoned internet security project help stalwarts are at your service round the clock whenever you need professional help with the following topics:

· Application of network security in a different organizational set-up

· Sharing of coded information

· Cloud computing system

· Cryptographic hash function

· Evolution and development of network security

· Networking hardware

· Principles of information security

· Types of security policies

· secure sockets layer

· Operating systems security

· Network protocols

· Computer forensics

· Vulnerability assessments

· Security economics

· Biometrics

· Disaster recovery planning and business continuity among others