Apache ‘Log4Shell’ Log4j (version 2) vulnerability (CVE-2021-44228)
Our teams are actively responding to the Log4Shell (or LogJam) 0-day threat which has been reported in the Apache Log4j 2 Java library and has been awarded a severity rating of 10 out of 10 by NIST. We are alerting customers to systems and services that may potentially be impacted and assisting with the investigation and remediation of any […]
Alexis V elected to CREST-EU Council
We’re proud to announce that Alexis V, Senior Security Consultant at Prism Infosec, has been elected to the newly formed CREST-EU Council. CREST, an international not-for-profit accreditation and certification body that represents and supports the technical information security market, announced its intention to form the Council and an EU Chapter at the end of October. Due to meet in the […]
Was the NSA’s Cyber Security director right to say attackers know networks best?
By Phil Robinson There was an interesting spat on Twitter during September when Rob Joyce, Cyber Security Director of the National Security Agency, disputed the notion put forward by security researcher @RayRedacted that “Defenders think in lists, attackers think in graphs”. (Presumably suggesting that defenders are preoccupied with tick lists and compliance while attackers are looking at the data […]
No Shell? No Problem!
Enumerating internal networks via ssh-tunnels, Alexis V, November 2021 On a recent engagement, we were tasked to assess the security of an Secure File Transfer Protocol (SFTP) server. We were provided with a regular account to facilitate the file uploads, and so proceeded to work our way through the common checks. We tried to: Log […]
Apache Webserver Directory Traversal Vulnerability (CVE-2021-41773)
CVE-2021-41773 Apache Web 0day A new apache 0day vulnerability has just been announced that affects Apache version 2.4.49. “A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the expected document root.” Further information can […]
Prism Infosec Statement on NPCC Police CyberAlarm
Operated by the National Police Chief’s Council (NPCC) and Pervade Software, the Police CyberAlarm service is a free tool to assist organisations with monitoring malicious cyber activity. The service helps to detect and provide regular reports of suspected malicious activity, enabling organisations to respond to potential cyber attacks. The NPCC and Pervade Software engaged Prism […]
Prism Infosec Information & Cyber Security Forum
From May 2020, Prism Infosec has been running quarterly cyber security forums for security leaders across our client base. We created this forum to allow our clients the opportunity to connect, discuss and exchange experiences on common cyber security challenges, and that this shared experience would help our clients as they navigate the security […]
Prism Infosec gains NCSC CHECK Green Light Status
Prism Infosec is delighted to announce that following a rigourous review by the UK National Cyber Security Centre (NCSC) of our people, delivery / reporting standards and methodologies we have become an NCSC CHECK Green Light organisation. This enables Prism Infosec to deliver our high quality penetration testing services and IT Health Checks to UK […]
Microsoft Windows Active Directory Critical Vulnerability (CVE-2020-1472)
Given the nature of the vulnerability and that it is likely that exploits will be released in the coming days, Prism Infosec are making its clients aware of a critical vulnerability affecting Microsoft Windows Active Directory (AD) servers. The vulnerability takes advantage of a weak cryptographic algorithm used in the Netlogon authentication process and is described in CVE-2020-1472.
Prism Infosec achieves CREST STAR Certification
CREST awards Prism Infosec CREST STAR status