File encryption keeps data safe — even when hackers get to it. Here’s how file encryption maintains a base level of security while preparing organizations for developing threats. In today’s security climate, exposed data is a surefire way to compromise the integrity and confidentiality of your entire enterprise. The best way to ensure that data is safe even in the event of a breach is to ensure that files are always encrypted. Think of it this way: a hacker could break into a healthcare facility and reach a file where patient medical documents are stored. If the files are encrypted, the hacker won’t be able to do much with this indecipherable data and will feel inclined to move on to an easier target. However, how file encryption is performed determines the degree of security it can provide. In this guide, we’ll explore what file encryption consists of, when data is most vulnerable, how to encrypt a file, and what types of file encryption should be used for optimal data protection. What is File Encryption? File encryption transforms data into code that only intended recipients can decipher, preventing unauthorized users from being able to access, view, and understand sensitive information. It often relies on public key cryptography, where key pairs are generated by particular mathematical algorithms that are hard to crack. These key pairs are issued only to predetermined recipients and senders and no one else, forming a lock-and-key mechanism that encrypts and decrypts data in transit, in use, and at rest. Businesses, organizations, enterprises, and agencies all have data in need of safeguarding. From a healthcare facility updating a patient’s medical record to a national bank interacting with consumer financial data — a wide range of personal information needs to be shielded from the public eye and must only be accessible to administrators with restricted privileged access. With data breaches and identity theft on the rise, encrypting files not only means protecting an organization’s reputation and trustworthiness — it means protecting people and their valuable assets. File encryption is also a key pillar of cybersecurity, with national and global policies requiring its use. The California Consumer Privacy Act of 2018 (CCPA), the US’s Healthcare Insurance Portability and Accountability Act (HIPAA), the EU’s General Data Protection Regulation (GDPR), and Canada’s Federal Information Processing Standards (FIPS) are just a few of many regulations setting standards and guidelines for sufficient file encryption. All confidential or sensitive files should be encrypted at all times, although specific data types warrant extra care and caution. These include: Bear in mind that all applications that facilitate the sharing, editing, and storage of this data should be closely monitored and adequately fortified with encryption features for end-to-end protection. It also matters when data is encrypted and, ideally, it should be encrypted at all times. Leaving data in plain, readable text, even for a few moments, is often just enough time for an adversary to wrongfully obtain private data. As a result, end-to-end encryption should be prioritized — this means data should be encrypted in transit, in use, and at rest. This is also mandated by the US Government. Data in this state is on the move. It’s being shared, sent, and transferred back and forth between users and devices. Whether through email communications, video chat platforms, or social media channels, unencrypted data can easily fall into the wrong hands when traveling across the internet. Perimeter-based security measures like firewalls and VPNs help maintain data security and user anonymity on networks. However, adopting additional security solutions for well-rounded coverage is recommended — for example, privileged access management (PAM) software and data loss prevention (DLP) systems that restrict access to sensitive material, automate monitoring tasks, and deploy vulnerability notifications. Data being manipulated or accessed in real-time is highly vulnerable because it’s already in an instantly usable state. For example, let’s say a customer is accessing their financial information through a banking app on their mobile device. Here, the customer is already logged in, with their routing number, transaction history, and balance in clear sight. If a hacker were to breach this account in this state, they’d be able to act with the same privileges as the account owner, essentially posing as them as they illegally withdraw, send, and spend money as they please. One of the greatest threats to data in use is human error, which makes automated encryption solutions crucial. In today’s hybrid on-premises and cloud work environments, such encryption must also be an interoperable process, translating and moving with data as it’s used in different contexts and applications. Most organizations have a secure way of archiving confidential files so they are incredibly challenging to access without the proper credentials. However, in doing this, data is left in plain sight behind a locked door that hackers and internal adversaries can learn to bypass. To keep files irretrievable and incomprehensible, it’s best to encrypt them at rest so that, should a breach occur, data is not lost or stolen. In this case, identity access management (IAM) systems and strict privileged access policies are key to warding off cybercriminals harnessing stolen credentials to access private files. As mentioned, encryption typically uses public key cryptography, but there are several types to be aware of, as they hold unique benefits for differing use cases. The first is asymmetric cryptography, which consists of public and private keys assigned to users for secure and encrypted interaction. Public keys are used to encrypt files, while private keys, which differ per user, decrypt files explicitly intended for them. Asymmetric encryption is commonly used for activity over public networks and internet connections, such as a user sharing a picture with friends on an instant messaging platform like WhatsApp. On the other hand, symmetric encryption uses just one private key to encrypt and decrypt data that’s exchanged between users. This creates a vulnerability, as a stolen private key means quick and painless access to a trove of sensitive data. Nonetheless, symmetric encryption is helpful when a vast quantity of information has to be encrypted at once, such as when organizations transfer all their data from one software application or device to another. The type of algorithm used to encrypt files varies according to software program, but widely-used methods include: Aside from significantly increased security, there are plenty of other major benefits of passwordless and keyless authentication. These include: As pioneers in secure communications, SSH (the company) was founded to protect data in all its forms and continues to do so for leading organizations worldwide. We understand that cybersecurity needs are constantly changing, challenging us to forge a new path toward a safer future. SSH’s library of best-in-class management tools seamlessly migrate existing infrastructures to robust and future-proof systems, from credential-less authentication to Zero Trust frameworks and quantum-proof encryption.Whether your organization needs more secure email communication, identity management, and privileged access, SSH has what you need. Reach out to us today to learn how our encryption tools and services can take your business’ data security to the next level.Contents
What is File Encryption Used For?
Which Files Do You Need To Encrypt
When Should Files Be Encrypted
How to Encrypt a File
The Future of File Encryption
SSH Makes Future-Proof File Encryption EasyWhat is File Encryption?
What is File Encryption Used For?
Which Files Do You Need To Encrypt?
When Should Files Be Encrypted?
Data in Transit
Data in Use
Data at Rest
How to Encrypt a File?
The Future of File Encryption
SSH Makes Future-Proof File Encryption
What is File Encryption? (2024)
Table of Contents
Contents
What is File Encryption?
What is File Encryption Used For?
Which Files Do You Need To Encrypt?
When Should Files Be Encrypted?
Data in Transit
Data in Use
Data at Rest
How to Encrypt a File?
The Future of File Encryption
SSH Makes Future-Proof File Encryption
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