Glossary Entry
What is Encryption?
What Encryption actually means, buzzwords removed — with the example that makes it land.
The short answer
Encryption turns readable data into noise only the right key can undo, and it is the mathematics beneath HTTPS, SSH, encrypted mail and every other private channel.
What follows: the longer explanation, a picture that holds, the practical stakes, and the places you will genuinely meet it.
By the Hosting & Domains team · Reviewed 18 August 2026
100+
Terms in the jargon buster
2 min
Average read time
Plain
English throughout
24/7
People, if you get stuck
It shows up in three forms. TLS covers whatever is moving between browser and server. Data simply sitting still is covered by encrypted storage. And hashing, which runs one way only, protects passwords by making sure the original was never stored at all.
All of it is applied by default on the modern web — certificates, SFTP, mail submitted over an encrypted port — which leaves a site owner mainly the job of not switching off what already works.
The everyday parallel
A locked pouch with exactly two keys, one at each end of the journey. Couriers, depots and anybody watching may handle it as much as they like, since the contents exist for two people.
Carry that picture with you and most documentation on the topic loses its mystery on a first read.
What genuinely rides on it
Every safety promise your site makes — a secure checkout, a private message, an account nobody else can open — comes down to encryption applied at the right layer. Knowing which layer delivers which promise is what keeps those promises honest.
That, incidentally, is the bar for any technical term — not 'could I lecture on it' but 'would I recognise it as the answer to my problem'. For this one, you now would.
Encryption out in the open
TLS carries a customer's password, hashing protects it before storage, and their session then travels on an encrypted cookie. Three applications of the same mathematics guarding one login.
Entirely unremarkable once you have seen it — which is the point: most hosting ideas are plain machinery behind an intimidating label.
Where it sits inside your own account
Here it largely looks after itself, since the defaults are sensible and the panel puts the controls within reach the moment you want them. Read on: TLS, HTTPS, SSH and Two-Factor Authentication.
A free SSL certificate comes with every plan and reissues itself before the old one lapses — the padlock is never yours to diarise.
A jargon buster from the people who answer the tickets
An unexplained piece of jargon is, to us, a service defect. This is the support team's collected translations, published where a search engine can hand them over on our behalf.
NVMe storage and LiteSpeed caching sit under every tier, the smallest plan included — that is the floor here, not an upgrade.
- 100+ entries, plain English all the way
- Ordinary analogies, working examples
- Neighbouring ideas linked together
- Written by our own support engineers
Why Hosting & Domains
Standard on every plan
Analogies that hold
Every concept comes with a mental model that returns exactly when you need it.
Clear about how deep to go
Most of these are recognise-level rather than operate-level, and every entry says which it is.
Jargon-free by design
Definitions written for people who run sites, not for other sysadmins — translation rather than restatement.
Tied to real hosting
Examples name platforms you would genuinely use, never an abstract diagram on a whiteboard.
This term, properly landed
Encryption defined, pictured by analogy and located in your own panel — recognise-level after a single read.
Cross-wired entries
Related terms point at each other, so one lookup compounds into working knowledge.
Quick Start
Order placed to site online
- 1
Find it in your own account
Nothing teaches a hosting term faster than finding it in your own panel; five minutes of looking beats an hour of reading.
- 2
Check the defaults as they stand
The platform ships sensible defaults for this — check rather than assume, and your setup becomes something you know instead of hope.
- 3
Chase the neighbouring terms
Hosting terms travel in groups — TLS, HTTPS and SSH finish this one's picture, each a two-minute read away.
Built In
Fitted to every plan
- People on the support desk every hour of every day
- Mailboxes that answer at the name you hold
- SSH, Git and Composer on the developer plans
- DDoS filtering absorbed at the network edge
- Webmail in the browser plus IMAP, POP and SMTP for any client
- 99.9% uptime as the target, watched around the clock
- Staging copies for trying a change before it goes live
- A renewal figure identical to the one you registered at
- Softaculous included for one-click application installs
- No set-up charge at any point, and no joining fee
Frequently Asked
The questions that come up most
Is the data on my hosting encrypted?
In transit, thoroughly: the web over HTTPS, files over SFTP, mail over TLS. For data at rest, what the storage layer does depends on the platform and the context. The safeguards built into your own software, such as hashed passwords and encrypted fields, travel with it, and those are the ones that hold wherever the site is hosted.
Can strong encryption be broken?
Against the standards in use today, no, not in any way that matters. Attacks that succeed go after implementation errors, stolen keys and compromised endpoints, since the mathematics is not where they win. Which is why careful key handling and current software deserve far more attention than worrying about ciphers.
Is the free SSL certificate genuinely free?
Entirely, on every plan. The certificate is issued as soon as the name points here and reissues itself well before it lapses. On encryption it matches any paid DV certificate — the paid options exist for wildcard coverage or organisation validation, which most sites never need.
Is there a safe place to try changes?
Yes — plans with staging let you copy the live site, work on the copy, then publish it once it behaves. That turns 'hope the update works' into 'know it works' before a single customer meets it.
Keep reading
HTTPS
Wrap ordinary HTTP in an encrypted connection and you have HTTPS, the web's standard transport, which keeps…
SSH (Secure Shell)
SSH opens an authenticated, encrypted line straight to a server's command line, where you can issue command…
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