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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
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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
US Turning Up the Heat on North Korea's Cyber Threat Operations
Jai Vijayan, Contributing Writer,  9/16/2019
Preventing PTSD and Burnout for Cybersecurity Professionals
Craig Hinkley, CEO, WhiteHat Security,  9/16/2019
NetCAT Vulnerability Is Out of the Bag
Dark Reading Staff 9/12/2019
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From DHS/US-CERT's National Vulnerability Database
CVE-2019-16413
PUBLISHED: 2019-09-19
An issue was discovered in the Linux kernel before 5.0.4. The 9p filesystem did not protect i_size_write() properly, which causes an i_size_read() infinite loop and denial of service on SMP systems.
CVE-2019-3738
PUBLISHED: 2019-09-18
RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to an Improper Verification of Cryptographic Signature vulnerability. A malicious remote attacker could potentially exploit this vulnerability to coerce two parties into computing the same predictable shared key.
CVE-2019-3739
PUBLISHED: 2019-09-18
RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to Information Exposure Through Timing Discrepancy vulnerabilities during ECDSA key generation. A malicious remote attacker could potentially exploit those vulnerabilities to recover ECDSA keys.
CVE-2019-3740
PUBLISHED: 2019-09-18
RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to an Information Exposure Through Timing Discrepancy vulnerabilities during DSA key generation. A malicious remote attacker could potentially exploit those vulnerabilities to recover DSA keys.
CVE-2019-3756
PUBLISHED: 2019-09-18
RSA Archer, versions prior to 6.6 P3 (6.6.0.3), contain an information disclosure vulnerability. Information relating to the backend database gets disclosed to low-privileged RSA Archer users' UI under certain error conditions.