Information Center

Fort Knox for Your Data: How AES Encryption Secures Your Business

Take a moment and imagine yourself as a small business owner. You work hard and make countless sacrifices to attract customers, grow the company, and build a reputable brand. But as you become more successful, new challenges also come, including the need to protect your most valuable asset, data.

You can't afford to lose financial records, client information, or other sensitive data that might jeopardize your company's operations and harm your reputation. This is why the Advanced Encryption Standard (AES) is an invaluable asset for organizations.

If you want to understand how to leverage encryption to protect your business from online threats and data breaches, keep reading. This article will define AES encryption, highlight its benefits, and provide insights into how you can implement it.

What Is AES Encryption?

Advanced Encryption Standard, known as AES, is a technique for protecting data using encryption algorithms. It is extensively used worldwide to secure sensitive information and is the data encryption standard for the U.S. government.

The U.S. government began seeking a new encryption standard to replace the outdated DES in the 1970s when AES encryption first appeared. After several years of study and testing, the National Institute of Standards and Technology (NIST) declared AES the new standard in 2001. The symmetric key algorithm this encryption method uses encrypts and decrypts data using the same key. This implies that only those who possess the key can access the encrypted data.

It is impossible to exaggerate the significance of AES encryption for contemporary data security. Businesses and individuals must take extra care to secure their data as cyber-attacks and data breaches become more common.

Therefore, AES encryption is a crucial component of contemporary security measures since it offers a high level of protection for data both in transit and at rest. AES encrypting is a known and dependable approach for keeping your data safe, whether it's safeguarding client information, financial records, or other sensitive data.

Technical Overview of AES Encryption

AES encrypting uses a symmetric key technique to encode and decode data. This indicates that the encryption and decryption processes utilize the same key. Some of the characteristics of this encryption's key are as follows:

  • AES encryption employs a variable key size of 128, 192, or 256 bits with a fixed block size of 128 bits.
  • It is a quick and effective encryption technique that may be used in many different applications.
  • Attacks like brute force and differential cryptanalysis cannot break AES encryption/

Encryption Algorithms Used in AES

Advanced Encryption Standard solutions encrypt data using several encryption techniques. These consist of the following:

  1. SubBytes: Using a substitution table, also known as the S-box, this algorithm replaces each byte in the input data with a related byte.
  2. ShiftRows: With this technique, the data matrix's rows are shifted a certain number of times that follow a pattern specific to AES.
  3. MixColumns: This technique uses a fixed matrix to mix the columns of the data matrix. Specifically, by manipulating each byte of a column using a function.
  4. AddRoundKey: The method uses a round key to XOR the output from the previous three steps.

Modes of Operation

Multiple modes of operation for AES encrypting that control the encryption and decryption of data, including:

  • Electronic Codebook (ECB): Every data block is individually encrypted.
  • Cipher Block Chaining (CBC): Each block of data is encrypted using the ciphertext from the preceding block.
  • Cipher Feedback (CFB): Data is encrypted using the Cipher Feedback (CFB) mode in units smaller than the block size.
  • Output Feedback (OFB): This mode does not use the plaintext and instead encrypts the data in units smaller than the block size.

Implementing the encryption standard in your personal or professional use cases requires a thorough understanding of the critical components, encryption algorithms, and modes of operation of AES encryption.

How the Advanced Encryption Standard Works

The symmetric key technique employed during encryption ensures that the same key is utilized for encryption and decryption. The steps that make up the operation are as follows:

  • Data Preparation: To begin the encryption process, the data must first be divided into fixed-length blocks of 128 bits. The last block is filled with padding if it is fewer than 128 bits.
  • Key Expansion: The encryption key is extended into a collection of round keys using a key schedule. The number of round keys produced is determined by the size of the key used for encryption.
  • Initial Round: Each data block is XORed with the first round key in the initial round.
  • Rounds: The data is subjected to a predetermined number of rounds (10, 12, or 14), each employing a unique round key. During each round, the data is mixed and scrambled using four algorithms (SubBytes, ShiftRows, MixColumns, and AddRoundKey).
  • Final Round: The data is once more put through the SubBytes, ShiftRows, and AddRoundKey algorithms, although not the MixColumns algorithm.
  • Cipher Text: The ciphertext, or encrypted data, is now available.

The Role of Keys in AES Encryption

During encryption, keys are essential. The strength of the encryption is determined by the length and complexity of the key, which is utilized for both encryption and decryption. Although a longer key length results in more robust encryption, it also adds to the computational burden.

Key Generation and Management

Key generation and management are essential components for successful encryption. A secure and random mechanism is used to produce the keys, and their distribution and maintenance must be strictly monitored. Data that has been encrypted will also be lost or compromised if the key is lost or compromised. To safeguard the integrity of the encrypted data, it is crucial to have strong key management rules and processes in place.

In order to encrypt safely and successfully using AES, it is essential to comprehend the data encryption process, the function of keys, and key creation and administration.

How AES Encryption Secures Your Business

Here are some ways encrypting with the AES can protects your organization and how to implement it to protect your data.

Increased Security

For organization of all sizes, data breaches and cyber risks are a significant concern. Using the AES technique can help protect your company from these hazards. Here are three ways it can improve your security:

  • Using the Advanced Encryption Standard: The most popular encryption method today is the Advanced Encryption method (AES) and for good reason. It offers robust encryption that is hard to crack, making it an excellent option for protecting sensitive data. The symmetric key technique uses the same key for encryption and decryption, making it quick and effective. Thanks to this encryption technique, your data will be protected from dangers and kept secret.
  • Safeguarding Your Data: With AES, your data is shielded from unwanted access. This is because the encrypted data is useless and unable to be read or accessed without the right key. As such, your sensitive data will be further protected even if an attacker manages to access it since they cannot decode it without the key.
  • Eliminating Potential Breaches: AES encryption prevents possible security breaches from happening when sending or storing sensitive data. It shields your data against hacker interception and decoding. This implies that your data will be unintelligible and useless without the proper key, even if intercepted.

The Advanced Encryption Standard can also aid in ensuring adherence to data protection laws like the Health Insurance Portability and Accountability Act (HIPAA) and the General Data Protection Regulation (GDPR) in the United States.

Improved Data Protection

Implementing the Advanced Encryption Standard can enhance your data's overall protection and security. Three ways that it can improve data security include:

  • Enhanced Authentication Protection: AES solutions offer improved authentication security, ensuring that only people with permission to access your data may do so. Strong symmetric keys are employed to encrypt and decode the data. Only authorized users can access the keys used for encryption and decryption, preventing unauthorized users from accessing the data.
  • Encrypted Data Transfer: A crucial part of business operations is sharing and receiving data. As such, securing data in transit is vital to preventing data breaches. The Advanced Encryption Standard provides the necessary protection by encrypting the data as it is being transmitted. As a result, even if an attacker intercepts data, they cannot access it without the correct key. Moreover, the encrypted data is secure during transmission, adding another degree of security.
  • Improved Regulatory Compliance: As a brand, you must comply with legal obligations, and data protection laws are getting increasingly strict. By offering a powerful and secure way of securing sensitive data, using the Advanced Encryption Standard can assist your company in achieving regulatory compliance. You may use AES to comply with laws like the HIPAA and GDPR.

As a result of better authentication protection, safe data transmission, and increased regulatory compliance, deploying AES encryption can improve the security of your data. Moreover, by guaranteeing that your data is safe and secured using the Advanced Encryption Standard, you’ll avoid reputational harm and legal repercussions.

AES Encryption in Business and Industry

Businesses across sectors have implemented AES encryption as a standard practice for safeguarding sensitive data since it is crucial to data security. Here are some key things to understand:

Importance of the Advanced Encryption Standard

Organizations that experience data breaches may suffer serious repercussions, including financial loss and reputational harm. The Advanced Encryption Standard offers a robust and secure way to safeguard sensitive data, lowering the chance of data breaches and guaranteeing that private information stays private.

Furthermore, securing data both in transit and at rest is more important than ever due to the growth of cloud computing and remote work. Regardless of where you store your data, encrypting with AES may offer the required level of security for both on-premises and cloud-based data.

Industries that Use the Advanced Encryption Standard

Numerous sectors use the Advanced Encryption Standard, including finance, healthcare, government, and technology. For instance, organizations in the financial industry employ AES to safeguard sensitive client data and secure financial transactions. In the healthcare industry, it’s used to protect electronic health records and other sensitive medical data.

Implementation of the Advanced Encryption Standard

Implementing the Advanced Encryption Standard may seem like a daunting task. However, that's not the case with so many software options that offer AES encrypting. Without making significant modifications to the infrastructure, your businesses may enable safe data protection by integrating AES into the current software platforms.

You can also hire a trustworthy third party to maintain encryption keys and other security components through managed encryption services. By doing this, you may manage encryption with less effort while maintaining high levels of data security.

Take the following steps to implement the Advanced Encryption Standard correctly:

  • Identify the data that requires encryption. Determine which of your company's data needs to be encrypted. This could include private customer information, financial information, or trade secrets.
  • Pick an AES program. Choose an AES solution that meets your business's needs. Think about things like key management, scalability, and simplicity of integration.
  • Integrate AES into your existing systems. Integrate AES encryption into your current software platforms, including databases, email servers, and file storage programs. Make sure that all pertinent data is encrypted.
  • Develop a key management strategy. Create a key management plan that considers key creation, key storage, and key rotation. To outsource the administration of encryption keys, think about using a key management service.
  • Train employees on best practices. Instruct staff members on how to use the Advanced Encryption Standard, including how to encrypt and decode data, maintain encryption keys, and identify possible security threats.
  • Conduct regular security audits. To guarantee that AES encryption is utilized successfully and that all sensitive data is securely safeguarded, conduct routine security audits.

Future of the Advanced Encryption Standard

According to the National Institute of Standards and Technology (NIST), and based on continuous technological improvements and evolutions, the Advanced Encryption Standard is expected to experience substantial changes. Therefore, it's vital to have an idea of the developments and modifications that might have an influence on data security in the future, including:

  • Key size: Current AES key sizes are 128, 192, or 256 bits. According to ongoing research, larger key sizes may be possible, which would further increase the protection of sensitive data.
  • New modes of operation: Galois Counter Mode (GCM), among other new modes of operation, is being developed to solve specific security issues. These new modes may offer extra security features like integrity protection and authentication.
  • Hardware acceleration: New developments in hardware acceleration could make it possible to encrypt and decode data more quickly, which might be crucial in high-speed applications like video streaming.

Potential Impact of Quantum Computing on AES Encryption

The emergence of quantum computing is one of the developments that could influence the Advanced Encryption Standard. Moreover, quantum computing is undergoing rapid development and has the potential to provide faster solutions to some issues compared to traditional computers, including breaking encryption schemes.

However, according to experts, AES encryption will likely remain safe from attacks using quantum computing for the foreseeable future. Even with quantum computers, brute-force assaults are impractical due to the magnitude of the AES key sizes.

Future Applications of the Advanced Encryption Standard

As long as data security remains a top, AES encryption may find further use across a range of sectors. For example, potential uses for AES encryption in the future include the following:

  • Healthcare: Using the Advanced Encryption Standard will secure patient data and electronic health records, preventing cyberattacks on critical information.
  • Financial Services: Financial data, including credit card numbers and bank account information, may be protected with AES encryption.
  • Internet of Things (IoT): As IoT devices proliferate, AES encryption can aid in securing data sent among them and across networks.

Overall, as technology develops, the future of the Advanced Encryption Standard appears bright. Organizations can ensure their data is secure by keeping up with the most recent AES encryption advancements and best practices.


Veritas Technologies is a top supplier of advanced data management and protection solutions for companies of all sizes. We have established a reputation for expertise in providing trustworthy and efficient solutions for managing and safeguarding data for over more than 30 years.

We serve clients in diverse fields, including government institutions, healthcare, and financial services. With Veritas, you’ll get a tailor-made solution that can help whether you need to safeguard financial information, intellectual property, or personally identifiable information (PII).


Veritas customers include 95% of the Fortune 100, and NetBackup™ is the #1 choice for enterprises looking to protect large amounts of data.

Learn how Veritas keeps your data fully protected across virtual, physical, cloud and legacy workloads with Data Protection Services for Enterprise Businesses.


Frequently Asked Questions

AES, often known as the Advanced Encryption Standard, is a popular encryption technique for safeguarding sensitive data. Two cryptographers from Belgium created it in the late 1990s, and the U.S. government eventually approved it as a standard for protecting secret information. AES provides high security and performance and encrypts and decrypts data using a symmetric key.

RSA and AES encrypt data, but they do it using distinct cryptographic methods. The same key is used for both encryption and decryption in the symmetric encryption method known as AES. In comparison, RSA is an asymmetric encryption algorithm that uses a public key for encryption and a private key for decryption. Although each technique has advantages and disadvantages, they can be combined to increase security.

Thanks to the Advanced Encryption Standard, your organization may benefit from higher security, better data protection, and regulatory compliance. You may prevent breaches, safeguard sensitive data from unwanted access, and improve authentication and data transfer security by encrypting data using AES. By doing so, you may comply with data security laws and keep the trust of your customers.

First, you must select a software or hardware solution that supports AES encryption. As well as ensuring that your data is encrypted before being stored or sent, you must create and maintain encryption keys.

Although AES is currently thought to be resistant to attacks from classical computers, future attacks from quantum computers may make it less secure. By employing a method known as Grover's algorithm, which can decrease the effective key size of the encryption, quantum computers may be able to crack symmetric encryption methods like AES. However, researchers are creating new post-quantum encryption techniques that can withstand assaults from quantum computers to be ready for this scenario.