Best Practice Security
Metadata and the Risks to your Security Imagine the following scenario. A company not dissimilar to yours, let’s call it Thomson & Hardy Ltd, uploads a PDF of its product brochure to its website. It looks good, flawless in fact. Thomson & Hardy’s products are attractively set out, the copy word perfect. And why not, the business has a strict editorial quality control process, so it was rigorously checked before it was published. But wait, something’s missing. An … Read More »
Network Security: How You Can Improve It Today Some practical advice for system administrators from Perspective Risk’s network security expert Neil Gibb. Post the recent WannaCry ransomware attack which struck at the heart of the NHS and big names in the private sector, it’s become clear that the basics of network security are often widely overlooked. This enabled a relatively old virus to be used against systems that should have been made secure a long time before. Of … Read More »
Passwords and Permissive Outbound Firewall Rules During security engagements, our consultants regularly encounter organisations vulnerable to password compromise. They find that while great care is often taken in relation to inbound firewall rules, outbound rule-sets are frequently overlooked. In the following scenario, PR’s Principal Security Consultant Matt Byrne demonstrates how permissively configured outbound firewall rules or “allow all” outbound firewall rules can result in the compromise of internal users credentials and potentially impact your wider internal network / domain. Permissive Outbound … Read More »
DontCry over WannaCrypt If you’re reading this article it’s not because you’ve randomly stumbled across the hashtags “WannaCry”, “WCry”, “WannaCrypt”, “Ransomware” etc. It’s because you’re already aware of it. Now, what can we add to the hundreds of articles on the recent breach via ransomware and the NSA vulnerability/exploit MS17-010? To sum it up, these are following mediums discussing WannaCry: Tweets Articles Blog posts Newspaper columns TV reports Fail image shares across social media Text messages WhatsApp messages … Read More »
SSL / TLS Certificate Security Welcome to the first of our Reducing Your Risks blog series where we address a range of security vulnerabilities and share best practice to protect your organisation from threat actors. Here, our senior cyber security pro Abdul Ikbal looks at common SSL / TLS certificate weaknesses, the risks, and what you can do about them. SSL (Secure Sockets Layer) If you’re still using SSL v3 or below, I feel bad for you son, you … Read More »
Protect Your Premises: Tips from PR’s Security Experts Two of Perspective Risk’s physical security specialists – Abdul Ikbal and Neil Gibb – share advice for improving the security of your building against criminals, malicious insiders and careless staff. Other security consultants and many clients are often surprised to learn that we can usually compromise a building’s security perimeter in under an hour. One customer commented: “It would be great to have a reference to prepare us … Read More »
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