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We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency @GCHQ. We help to make the UK the safest place to live and work online.
May 1 6 tweets 1 min read
🚨EVOLVING THREAT ALERT🚨
The NCSC and international partners 🇺🇸🇨🇦 have issued a warning today about the continuing threat from Russia state-aligned actors targeting critical infrastructure.

Read more 🧵 Over the past few months, pro-Russia hacktivists have been observed targeting vulnerable, small-scale industrial control systems in North America and Europe.
Oct 5, 2023 7 tweets 1 min read
Spot the phish 🎣
Spotting phishing attempts is a superpower that cyber criminals bank on you not having. Here's 5⃣key things to look out for in emails, texts, or calls.
🧵
#CyberMonth2023 #FVEYSCyber 1⃣Authority
Is the message claiming to be from someone official? Perhaps your bank, doctor, solicitor, or a government department. Criminals often pretend to be important people or organisations.
Mar 21, 2023 7 tweets 3 min read
Listen up, small businesses. This one's for you.

We know that organisations like yours are being targeted by cyber criminals.

That's why we're excited to launch two new, free #CyberAware tools to help you stay safe online 🧵

1/7
We know that you might not be technical. And the good news is that you don't have to be.

Today we've released two new, free tools - the Cyber Action Plan and Check your Cyber Security - to protect yourself online.

But what do the tools do?

2/7
Mar 14, 2023 22 tweets 4 min read
#ChatGPT.

Everyone’s talking about it. The internet is full of examples of AI shaking up how we ask questions.

It's a powerful technology but to get the most out of it there are some things you need to consider.

This is going to be a long one, so buckle in.

1/22 Well, let’s first take a step back and look at what ChatGPT actually is.

2/22
Feb 9, 2022 8 tweets 4 min read
In 2021, the NCSC, @FBI, @CISAgov,@NSAGov and @CyberGovAU observed an increase in sophisticated ransomware attacks against critical infrastructure organisations across the globe.

ncsc.gov.uk/news/ncsc-join…

🧵 (1/8) Our joint cyber security advisory also reveals that the tactics of ransomware groups evolved last year, including targeting organisations on weekends.

ncsc.gov.uk/news/joint-adv…

(2/8)
Dec 17, 2021 19 tweets 6 min read
🚨 Board members 🚨

You may have heard about #Log4j, a critical vulnerability that has the cyber community concerned.

Here's what it is, why people are worried, & questions you need to be asking your IT teams right now:

📖 (1/19) #Log4j is used by developers to keep track of what happens in their software applications.

📒 It’s a huge journal of the activity of a system or application and is used by developers to keep an eye on any problems.

(2/19)
Dec 14, 2021 8 tweets 4 min read
If you've been seeing articles like this and you're wondering what #Log4j is all about, we can help.

📖 (1/8) ❓ First up, what is #Log4j?

🌍 It's a potentially Internet-wide security flaw which has the potential to affect many of the devices and services we use online every day.

(2/8)
Oct 18, 2021 6 tweets 4 min read
Earlier this morning, Nicola Hudson, Director of Policy & Comms at the NCSC was on on #RipOffBritain talking about fake celeb scams. Catch up now on BBC iPlayer for Nicky’s tips on how to avoid falling for them – and what you can do to help us take them down 👇 Stay one step ahead of celebrity scams with the latest tips from the National Cyber Security Centre. Our very own Nicola Hudson spoke this morning with Gloria Hunniford on #RipOffBritain. Catch up now: bbc.co.uk/iplayer/live/b…