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Tim Critchley
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Profile of Tim Critchley

CEO at Semafone
Member Since: 8/20/2018
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News & Commentary Posts: 1
Comments: 0

Tim Critchley has been the CEO of Semafone since 2009 and has led the company from a UK startup to an international business that spans five continents. He has helped secure Series A and Series B rounds of funding from various investor groups, including the BGF and Octopus. Under his leadership, the company has secured global partnerships and won clients that span a range of industry sectors, including major brands such as AXA, BT, Capita, Harley Davidson, Next, Rogers Communications, Santander, and Sky. Prior to joining Semafone, Tim was COO at KnowledgePool Group, the UK's leading provider of managed learning services, where he helped complete a successful turnaround in three years. Tim graduated from the London School of Economics and has an MBA from Manchester Business School.
Articles by Tim Critchley
New Cold Boot Attack Gives Hackers the Keys to PCs, Macs
Kelly Sheridan, Staff Editor, Dark Reading,  9/13/2018
Yahoo Class-Action Suits Set for Settlement
Dark Reading Staff 9/17/2018
RDP Ports Prove Hot Commodities on the Dark Web
Kelly Sheridan, Staff Editor, Dark Reading,  9/17/2018
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2018-6693
PUBLISHED: 2018-09-18
An unprivileged user can delete arbitrary files on a Linux system running ENSLTP 10.5.1, 10.5.0, and 10.2.3 Hotfix 1246778 and earlier. By exploiting a time of check to time of use (TOCTOU) race condition during a specific scanning sequence, the unprivileged user is able to perform a privilege escal...
CVE-2018-16515
PUBLISHED: 2018-09-18
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
CVE-2018-16794
PUBLISHED: 2018-09-18
Microsoft ADFS 4.0 Windows Server 2016 and previous (Active Directory Federation Services) has an SSRF vulnerability via the txtBoxEmail parameter in /adfs/ls.
CVE-2018-16819
PUBLISHED: 2018-09-18
admin/index.php in Monstra CMS 3.0.4 allows arbitrary file deletion via id=filesmanager&path=uploads/.......//./.......//./&delete_file= requests.
CVE-2018-16820
PUBLISHED: 2018-09-18
admin/index.php in Monstra CMS 3.0.4 allows arbitrary directory listing via id=filesmanager&path=uploads/.......//./.......//./ requests.