A cyber-criminal only needs to get lucky once. You have to stay ahead of them all day, every day

17 Jun 2021 | Security

“A cybercriminal only has to be lucky once, while a defender has to be lucky every minute of every day.”
Combating Ransomware – A Comprehensive Framework for Action: Key Recommendations from the Ransomware Task Force.


The message we hear from governance boards over and over is ‘can you prevent hackers from stealing our data?’  Every time there is a high-profile attack, the calls get louder.  As the attacks become more frequent, the awareness of this activity increases exponentially.

The simple reality is that cyber-crime is now a mega-business.  The cost and effort to combat it grows all the time, and while nothing is guaranteed, there are things we can do to reduce your risk.

It means stepping up our collective game.  New tools, new processes and new staff awareness. The protections that seemed excessive a year ago now seem to be inadequate.  We have to keep adding new tools and services so that you can select a level of protection that you are comfortable with, and like your insurance, you need to reassess this every year.

What do you need to think about to protect your organisation?

1.  The biggest risk is people and process.

We suggest taking a representative group and mirroring the practice of a Health and Safety committee.  Have an ‘e-Security’ committee that spends time thinking about how someone could accidentally give away confidential data – start by thinking about what data was held, then what of it was confidential, where was it held, and who had access to it. Next up are simple things like credentials. For example if a client calls up for anything, from a question to a password reset, how do you verify who they are before providing any confidential info.

2.  We all know about malware and ransomware but…

They typically get in through software bugs, and the best answer is to ensure everything is patched. Do you get regular reports to show that everything is patched or do you trust that it is done? “Everything” can be quite a long list but you can divide it up by types of machines (Servers, laptops etc). Patching isn’t just for Microsoft tools, but everything that you use – Adobe, Google and so on.

3.  We’re all aware of antivirus but today we need to go further.

We need more intensive end-point protection and personal firewalls, even for computers that stay behind the corporate firewall. That’s because its surprisingly common for ‘guest’ machines to connect to networks, for example to support visitors, and you simply don’t know what state they are in and what viruses they may introduce.

4.  Common attack vectors include “phishing”. The best defenses are:

    • Regular phishing tests, to see how aware your colleagues are.
    • Security briefings and awareness training to help everyone stay alert and support each other, both via eLearning and in-person presentations.
    • URL scrubbing – testing the URLs people click on BEFORE the site opens to warn you before you inadvertently browse to potentially infected websites.

5.  The Darkweb!

It pays to be aware that some of your data is ALREADY in the darkweb. It will mostly be credential information scavenged from historical hacks of sites like Sony, LinkedIn, Marriott and many others. Occasionally this will surface up to you as an email that states your account name, and password for a particular site, along with a threat, for example, “We know what you have been up to, pay a ransom or we will share this publicly”. If you recognise the username and password and it’s a common that you use, then this threat can be very compelling.

The best defense is to ensure everyone uses unique passwords for everything, and the best way to do that is with a secure password vault tool.

6.  Multi-factor authentication!

MFA isn’t infallible, but in conjunction with the items above, it’s a very important layer. We regularly see compromise attempts on Office 365 in particular, and these are being defeated by simple steps like enforcing multi-factor authentication, and where possible, limiting logins to territories that people log in from. For example, unless you have people currently in eastern Europe, then you can simply block access from IP addresses from those countries. MFA should be on EVERYTHING, not just Office 365 but also the less common sites your people access

7. Shadow IT Detection…!?

Looking at the first item on the list, you will be amazed at some of the tools in use by your people. It is extremely common for people to set up an account on an external website to get a job done. They often just use their email address and make up a password. That means that if they leave your organisation, they can still log in with the email address – the webtool doesn’t know they’ve left! Even worse, you don’t know how secure the tool is, and often you don’t even know about the tool at all!

8.  Microsoft have baked some excellent protections into Microsoft 365.  Are you using them?

For example, there is ‘data leak protection’ to help set up a regime where Office 365 can detect confidential data (eg credit card numbers, health records and so on) and then permit or prevent certain actions – for example preventing emailing a spreadsheet with more than say 5 of these records on it, or at least warning you before you do. It can also warn when it detects unusual behaviour such as copying or deleting large numbers of files. The trick is that this needs to be turned on, configured and, above all, maintained and monitored

9.  Consider vulnerability scanning on a regular basis.

Vulnerability scans are based around CVE (Common Vulnerability and Exposures) and CVSS (Common Vulnerability Scoring System) and are maintained by First.org, a global forum for response and security teams. CVE’s can describe vulnerabilities in software on any connected device, from baby monitors to virtual appliances, CVE’s can be found everywhere and anywhere. A deep vulnerability scan is intensive. In addition to scanning devices, it will attempt to use common login and passwords to brute-force hack devices.

CLICK HERE to find out how you can step up your security game with one of our Security Services.

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