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Monday 7:45am - 6:30pm Tuesday 7:45am - 6:30pm Wednesday 7:45am - 6:30pm Thursday 7:45am - 6:30pm Friday 7:45am - 6:30pm

Sonar-IT

Sonar IT has been serving the Greater London area since 2020, providing IT Support such as technical Sonar IT: Revolutionising Business IT Support in London.

With 30+ years of combined experience, we specialise in cost-effective IT support, Managed IT Services and network services for professional industries. Benefit from our expertise while reducing expenses. Our senior consultants excel in Office365 and cloud services, hardware supply, cybersecurity, automating processes, proactive maintenance, internet connections, disaster recovery, & other essential IT solutions for your day-to-day business needs, compliance regulations, and networking. Trust our comprehensive IT support and managed IT services in Greater London to ensure seamless operations. Contact us for unparalleled computer support, and let us transform your technology landscape.

24/08/2026

W is for Wi-Fi 📶

Everyone has it. Not everyone has it set up properly.
Wi-Fi feels like one of those things that just works — you plug in a router, connect your devices, and get on with your day.

The problem is that "just works" and "properly secured" aren't always the same thing.

We walk into client sites regularly and find the same things:

→ Default router passwords that have never been changed
→ One network shared between staff, guests, and business-critical systems
→ Old access points running outdated firmware with known vulnerabilities
→ No idea who's actually connected to the network at any given time
→ The Wi-Fi password written on a Post-it note on the front desk

That last one is more common than you'd think.

A properly configured business Wi-Fi setup isn't complicated, but it does need some thought - separate networks for staff and guests, strong encryption, regular password rotation, and access points that are actually managed and monitored.

It's one of those things that feels low priority right up until someone uses your open guest network to access something they shouldn't.
A quick Wi-Fi audit can flag problems in under an hour. Most of them are straightforward to fix.

18/08/2026

V is for VPN 🔐

Remote work changed everything. And not every business kept up.

When your team is working from home, a coffee shop, a client's office — they're accessing your business systems from networks you don't control. That's fine, until it isn't.

A VPN (Virtual Private Network) creates an encrypted tunnel between your staff and your systems. Think of it like a secure corridor through an otherwise public space — what passes through it stays private, even if someone's watching the network around it.

But here's where a lot of businesses get it wrong.

Not all VPNs are equal:

→ Free consumer VPNs have no place in a business environment
→ A VPN without MFA is still a single point of failure
→ Split tunnelling configured badly can defeat the point entirely
→ A VPN that nobody actually uses because it's too clunky isn't protecting anyone

And increasingly, VPNs are being complemented — or replaced — by Zero Trust architecture, where no user or device is automatically trusted regardless of where they're connecting from. It's worth understanding what's right for your setup.

Remote work is here to stay. The question is whether your security posture reflects that or whether it's still catching up.

04/08/2026

U is for Uptime ⏱️

When your systems are down, your business is down.

It sounds obvious. But a lot of businesses don't really quantify what downtime actually costs them until they're sitting in the middle of it — staff unable to work, clients unable to reach them, and no clear idea of when things will be back to normal.

Uptime isn't just about having reliable internet. It's about the whole stack:
→ Servers and cloud services staying online
→ Internet connections with failover if the primary line drops
→ Systems being monitored so problems are caught before they become outages
→ Backups that actually work when you need them
→ Someone who knows what to do and moves quickly when something goes wrong

The difference between a minor blip and a full-blown crisis is usually how prepared you were before it happened.

Proactive monitoring is the bit most businesses miss. Rather than waiting for a call to say "nothing's working", the right IT setup means issues are flagged and dealt with - often before anyone even notices.

We monitor our clients' systems around the clock. Not because things go wrong all the time. But because when they do, every minute matters.

14/07/2026

T is for Training 🎓

Your firewall can be world class. Your antivirus up to date. Your passwords long and complex.

And it can all still unravel because someone clicked a link in an email.

People are consistently the biggest variable in any business's security posture.

Not because they're careless - but because attackers are genuinely good at making things look legitimate. Phishing emails have come a long way from the Nigerian prince days. They're convincing, targeted, and often personalised.

That's why training matters.

Not a 40-slide PowerPoint that nobody remembers six months later. Proper, regular awareness training that keeps security front of mind and teaches people what to actually look for:

→ Spotting suspicious emails before clicking

→ Knowing what to do (and who to tell) if something looks off

→ Understanding why certain policies exist, not just that they do

→ Recognising social engineering — because not every attack comes via email

The businesses that get this right treat security awareness like any other skill - something you build over time, not something you tick off once.

Your technology is only as strong as the people using it. Investing in your team's awareness is one of the highest-return things you can do for your security.

29/06/2026

S is for Software Updates 🔄

"I'll do it later" is how most security breaches start their story.

That little notification telling you an update is available feels like the most ignorable thing in the world...right up until it's the reason something goes badly wrong.

Software updates aren't just about new features or a slightly nicer interface. A huge number of them exist purely to patch security holes that have already been discovered - sometimes ones that are actively being exploited in the wild.

When updates get put off (or worse, switched off entirely):

→ Known vulnerabilities stay open for anyone looking to exploit them

→ Older software becomes an easier target, since attackers know exactly what gaps still exist

→ Compatibility issues start creeping in, causing more problems than the update itself ever would

→ "We'll get to it eventually" quietly turns into months of unpatched systems

The businesses we see get caught out are rarely running cutting-edge tech wrong; they're running outdated tech that nobody's kept on top of.

Patch management shouldn't be a manual, easily forgotten task. Done properly, it happens quietly in the background without anyone needing to think about it.

If you don't know the last time your systems were patched, that's worth checking.

19/06/2026

R is for Ransomware 🔒

Probably the word that strikes the most fear into a business owner.

And rightly so. Ransomware doesn't just lock your files - it locks your business.

Operations stop, staff sit idle, clients start asking questions, and someone's sat there staring at a countdown timer demanding payment to get everything back.

The thing is, ransomware doesn't usually arrive with a bang. It sneaks in quietly, through a dodgy email attachment, a compromised password, an unpatched system, and sits there before it triggers.

A few things that genuinely reduce the risk:

→ Regular, tested backups (not just backups that exist — backups you've actually checked work)

→ Patching systems promptly rather than putting it off

→ Email filtering to catch malicious attachments and links before they land

→ Staff awareness - most ransomware still starts with someone clicking something they shouldn't

→ A proper incident response plan, so if it does happen, you're not figuring it out for the first time mid-crisis

The businesses that recover quickly from ransomware aren't the lucky ones. They're the ones who prepared.

The businesses that don't recover at all? Often the ones who thought "it won't happen to us."

01/06/2026

Q is for Quotes 💰

Not the motivational kind...The IT kind.

If you've ever got a quote from an IT company and had absolutely no idea whether it was good value or not, you're not alone. It's one of the most common frustrations we hear from businesses shopping around.

IT pricing can feel deliberately opaque. Per user, per device, per site, per month, setup fees, licensing on top, support tiers that are hard to compare... it's a lot.

A few things worth looking out for when you're reviewing an IT quote:

→ Is support actually included, or is it billed per hour when something goes wrong?

→ Does the price include licences, or are those extra?

→ What's the contract length and what are the exit terms?

→ Is security bundled in, or is that a separate conversation later?

→ Who actually picks up the phone - a local engineer or an offshore helpdesk?

The cheapest quote isn't always the worst option. But it's rarely the full picture either.

We're always happy to have a transparent conversation about pricing - no jargon, no hidden extras, no pressure. Just a straight answer about what you'd get and what it costs.

28/05/2026

P is for Passwords 🔑

Everyone knows they should have a strong password...almost nobody actually does.

"Password123", the name of your dog, or the same credentials you've been using since 2015 across every account you own. We've seen it all. And so have the hackers.

Passwords are still one of the most common ways businesses get compromised, not through some elaborate Hollywood-style attack, but because someone reused a weak password that was already leaked in a data breach years ago.

A few things that actually make a difference:
→ Use a password manager - one strong master password, everything else generated and stored securely

→ Make passwords long over complex - "correct-horse-battery-staple" beats "P@ssw0rd!" every time

→ Never reuse passwords across accounts - ever → Add MFA on top - so even if a password is compromised, it's not game over

→ Change credentials immediately if there's any suspicion of a breach

The good news? Getting this right isn't that complicated or expensive. It's mostly habit and the right tools.

The bad news? Most businesses are still winging it.

If you're not sure where your business stands, that's probably worth finding out.

18/05/2026

O is for Outsourcing 🤝

At some point, most growing businesses ask the same question

"Do we hire in-house IT, or do we bring in someone external?"

It's a fair question. And the honest answer is: for most SMBs, outsourcing wins.

Here's why.

A full-time IT person costs £35-45k+ before you factor in NI, pension, holiday cover, and the fact that one person can't know everything.

Technology is too broad for that now...you need someone across networking, security, cloud, compliance, end user support... the list goes on.

An outsourced IT partner gives you a whole team for a fraction of that cost. Different expertise, faster response, and no sick days.

But it's not just about money. It's about focus. Your team should be doing what they're good at - not waiting on hold with Microsoft or trying to figure out why the printer has stopped working again.

The best outsourced IT relationships don't feel transactional. They feel like having a trusted person in your corner who actually understands your business and picks up the phone when you need them.

That's what we try to be for every client we work with.

11/05/2026

N is for Network Security 🌐

Most businesses don't think about their network until something goes wrong. And by then, it's usually too late.

Your network is the backbone of everything - every email sent, every file accessed, every system your team logs into passes through it.

If it's not properly secured, you're essentially leaving the door open and hoping nobody walks in.

Network security isn't just about having a router with a password on it. It's about knowing:

→ Who and what is connected to your Network

→ Whether your traffic is being monitored for anything suspicious

→ If your guest Wi-Fi is properly separated from your business systems

→ Whether remote workers are connecting securely (looking at you, coffee shop VPN avoiders)

→ What happens if something does get in — can it move freely, or is it contained?

The scary truth? A lot of SMBs have networks that were set up years ago, never really reviewed, and have had devices, users and cloud services bolted on over time. That creates gaps that aren't obvious until someone exploits them.

A quick network review can highlight problems that are genuinely simple to fix — but only if you know they're there.

Worth a look?

📩 Contact us

Address

124 City Road
London
EC1V2NX

Opening Hours

Monday	7:45am - 6:30pm
Tuesday	7:45am - 6:30pm
Wednesday	7:45am - 6:30pm
Thursday	7:45am - 6:30pm
Friday	7:45am - 6:30pm

Website

https://www.sonarit.co.uk/

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