TwelveSec

TwelveSec

Speciality: Threat Led Penetration Testing

Greece 28 employees Publishes CVEs
[01] About

Cybersecurity company specializing in penetration testing and threat-led attack simulations; 18 employees, 12% YoY growth, founded 2012, headquartered in Greece, offers comprehensive security assessments including TLPT, with 259 monthly website visits and active social media presence.

With constant integration of technology in every aspect of an organisation, information security is something that everyone needs. Here at Twelvesec we take pride of our ability to provide assurance and security management consulting services that meet the needs of any organisation from SMEs to Fortune 500 companies. But we are not satisfied with just that. We also provide our partners with tailormade training programmes for their employees in order to secure their organisation and/or products from cyber-attacks on a day to day basis. Twelvesec was founded in 2012 in Athens, Greece by a group of Cybersecurity enthusiasts. Since day one the company moto has been that “our work will do our marketing for us” and apparently it has. In a short period of time Twelvesec has partnered up with several Forbes Global 2000 companies, government agencies, and intergovernmental organisations from around the globe to secure their information from external and internal threats. We have provided our expertise in various sectors including finance, telecoms, retail, security, shipping, government, and last but not least law enforcement. We are always on the lookout for new recruits in our team. If you are highly capable InfoSec professional looking to join an agile dynamic team we welcome you to get in touch with us.
[02] Services
Threat Led Penetration Testing
Red Teaming
NIS2 Compliance
Incident Response
Cyber Assurance
Security Management
Incident Handling & Response
Security Training
Secure SDLC
[03] Certifications
ISO 9001:2015

ISO 9001:2015 and Cybersecurity/IT


Origin and Development


ISO 9001:2015 is a quality management system standard developed by the International Organization for Standardization (ISO), a global federation of national standards bodies. However, it's important to clarify that ISO 9001:2015 is not specifically a cybersecurity or IT certification—it's a general quality management standard applicable to any organization regardless of industry. The standard was released in 2015 as the fifth revision of ISO 9001, which was first published in 1987. For cybersecurity specifically, ISO created ISO/IEC 27001, which is the actual information security management system standard.


Industry Value and Importance


ISO 9001:2015 is valued across industries because it demonstrates an organization's commitment to consistent quality management, customer satisfaction, and continuous improvement. When applied to IT and cybersecurity contexts, it helps organizations establish systematic processes for service delivery and quality assurance. However, for cybersecurity-specific certification, organizations typically pursue ISO/IEC 27001, which directly addresses information security controls, risk management, and data protection. Both certifications are internationally recognized and often required for government contracts, enterprise partnerships, and demonstrating due diligence to customers and stakeholders.

ISO 9001:2013
NATO OTAN Security Clearance
European Union Security Clearance
OSCE

OSCE Cybersecurity Certification


The Offensive Security Certified Expert (OSCE) certification was created by Offensive Security, the same organization behind the well-known OSCP certification and Kali Linux distribution. Originally launched in 2008, the OSCE was designed to validate advanced penetration testing skills, particularly in exploit development and creative attack techniques. The certification required candidates to complete the Cracking the Perimeter (CTP) course and pass a rigorous 48-hour hands-on exam. In 2020, Offensive Security retired the original OSCE and replaced it with OSCE³ (OSCE Cubed), which requires earning three separate expert-level certifications: OSEP, OSWE, and OSED.


The OSCE certification family is highly valued in the cybersecurity industry because it demonstrates advanced practical skills beyond basic penetration testing. Unlike multiple-choice exams, the hands-on testing format proves that holders can actually perform complex security assessments, develop custom exploits, and think creatively like real-world attackers. Employers recognize OSCE-certified professionals as possessing expert-level offensive security capabilities, making the certification particularly valuable for senior penetration testers, security researchers, and red team operators. The certification's difficulty and practical nature have established it as a respected credential that signifies true technical expertise rather than just theoretical knowledge.

OSCP

Origin of the OSCP


The Offensive Security Certified Professional (OSCP) certification was created by Offensive Security, a company founded by Mati Aharoni and other security professionals in 2007. The certification was developed to address the gap between theoretical knowledge and practical penetration testing skills in the cybersecurity industry. Offensive Security designed the OSCP to be a hands-on, performance-based certification that requires candidates to demonstrate actual hacking skills in a controlled lab environment rather than simply answering multiple-choice questions.


Industry Value and Importance


The OSCP is highly valued in the cybersecurity industry because it proves that holders possess real-world penetration testing abilities. Unlike traditional certifications, the OSCP's 24-hour practical exam requires candidates to successfully compromise multiple machines in a simulated network environment and document their findings professionally. This hands-on approach has made it a gold standard for entry to intermediate-level penetration testers, and it's frequently requested or required by employers hiring for offensive security roles. The certification's difficulty and practical nature have earned it significant respect among security professionals and hiring managers.

OSWP

OSWP Cybersecurity Certification


Origin


The Offensive Security Wireless Professional (OSWP) certification was created by Offensive Security, the same company behind the renowned OSCP certification. Launched in 2008, the OSWP was developed to address the growing need for professionals skilled in wireless network security assessment. Offensive Security created this certification to provide hands-on, practical training in identifying and exploiting vulnerabilities in 802.11 wireless networks, maintaining their philosophy of "Try Harder" and emphasizing real-world penetration testing skills over theoretical knowledge.


Industry Value


The OSWP is valued in the cybersecurity industry because it demonstrates proven practical ability in wireless network penetration testing through a hands-on exam format. Unlike multiple-choice certifications, holders must successfully crack WEP and WPA/WPA2 encryption and document their methodology in a professional penetration testing report. This certification is particularly respected because it validates actual technical competency rather than memorization, making OSWP holders attractive candidates for penetration testing roles, security consulting positions, and network security positions where wireless infrastructure assessment is critical.

OSWE

OSWE Certification Overview


Origin


The Offensive Security Web Expert (OSWE) certification was created by Offensive Security, the cybersecurity training company behind Kali Linux and the renowned OSCP certification. Introduced in 2018, the OSWE was developed to address the growing need for professionals skilled in advanced web application security and source code review. The certification emerged from Offensive Security's commitment to hands-on, practical training that goes beyond surface-level vulnerability scanning to focus on understanding and exploiting complex web application logic flaws.


Industry Value


The OSWE is highly valued in the cybersecurity industry because it demonstrates an individual's ability to perform white-box web application penetration testing and identify security vulnerabilities through source code analysis. Unlike automated scanning tools, OSWE holders can manually review code in languages like JavaScript, Python, PHP, and Java to discover subtle security flaws that typically evade detection. This certification is particularly prized by organizations with mature security programs, penetration testing firms, and companies requiring deep application security expertise, as it validates practical skills through a challenging 48-hour hands-on exam that requires candidates to exploit real vulnerabilities in live applications.

APPSEC
CISA

CISA Certification Overview


Origin and History


The Certified Information Systems Auditor (CISA) certification was created by ISACA (Information Systems Audit and Control Association) in 1978. ISACA developed this credential in response to the growing need for standardized expertise in auditing, controlling, and securing information systems. As one of the oldest IT audit and security certifications available, CISA was designed to validate the knowledge and skills of professionals responsible for assessing an organization's IT and business systems vulnerabilities and implementing appropriate controls.


Industry Value and Importance


CISA is highly valued in the industry because it demonstrates a professional's ability to assess risk, implement controls, and ensure compliance with regulatory requirements. The certification is globally recognized and often required or preferred for roles in IT audit, cybersecurity, risk management, and compliance positions. Many organizations, particularly financial institutions, government agencies, and publicly traded companies, specifically seek CISA-certified professionals to meet internal audit requirements and regulatory obligations. The credential's emphasis on both technical knowledge and practical application makes it particularly relevant for professionals who need to bridge the gap between IT operations and business governance.

CISM

CISM Certification: Origin


The Certified Information Security Manager (CISM) certification was created by ISACA (Information Systems Audit and Control Association) in 2003. ISACA developed CISM to address the growing need for a certification specifically focused on information security management and governance, rather than just technical security skills. The certification was designed to recognize professionals who design, manage, and oversee an enterprise's information security program, filling a gap between technical security certifications and the strategic, managerial aspects of cybersecurity.


Industry Value and Importance


CISM is highly valued in the cybersecurity industry because it demonstrates expertise in security risk management, governance, incident management, and program development from a management perspective. Many organizations, particularly large enterprises and government agencies, specifically seek CISM-certified professionals for leadership roles in information security. The certification is globally recognized and often commands higher salaries compared to non-certified peers. Its focus on aligning security practices with business objectives makes it particularly relevant for professionals aspiring to senior security management positions, including Chief Information Security Officer (CISO) roles.

CRISC

CRISC Certification Overview


Origin and Creation


The Certified in Risk and Information Systems Control (CRISC) certification was created and launched by ISACA (Information Systems Audit and Control Association) in 2010. ISACA developed this credential in response to growing demand from organizations for professionals who could identify and manage IT risks and implement effective information systems controls. The certification was designed to fill a gap in the market for a specialized credential focused specifically on enterprise risk management within IT environments, distinguishing it from ISACA's other certifications like CISA, which focuses more on auditing.


Industry Value and Importance


The CRISC certification is highly valued because it validates a professional's expertise in four critical domains: IT risk identification, assessment, evaluation and response, and control design and implementation. Organizations prize CRISC holders for their ability to bridge the gap between technical IT operations and business risk management, helping enterprises make informed decisions about technology investments and security measures. The certification is particularly sought after in regulated industries like finance, healthcare, and government, where managing IT risk and demonstrating compliance are essential. Many employers list CRISC as a preferred or required qualification for risk management, compliance, and IT governance positions, often associated with higher salary potential.

CDPSE
CEH

Certified Ethical Hacker (CEH) Certification


Origin


The Certified Ethical Hacker (CEH) certification was created by the International Council of E-Commerce Consultants (EC-Council) in 2003. EC-Council developed this certification in response to the growing need for standardized training in ethical hacking and penetration testing. The organization recognized that cybersecurity professionals needed formal credentials that would demonstrate their ability to think like malicious hackers in order to better defend systems and networks. The CEH was designed to establish a baseline of knowledge for security practitioners who assess system vulnerabilities using the same techniques employed by attackers.


Industry Value


The CEH certification is valued in the cybersecurity industry because it validates practical knowledge of security threats, vulnerabilities, and countermeasures. Many organizations, including government agencies and private corporations, recognize CEH as a benchmark for hiring security analysts, penetration testers, and security consultants. The certification covers 20 domains of information security, providing holders with a comprehensive understanding of attack vectors and defensive strategies. For professionals, earning the CEH demonstrates commitment to the field and can lead to career advancement opportunities and increased earning potential in an industry facing significant talent shortages.

ISSAP
CC
CISSP

CISSP Certification Overview


Origin


The Certified Information Systems Security Professional (CISSP) was created by the International Information System Security Certification Consortium, commonly known as (ISC)², in 1994. The certification was developed in response to the growing need for a standardized, vendor-neutral credential that could validate the expertise of information security professionals. (ISC)² designed the CISSP to establish a common body of knowledge for the cybersecurity field and provide a benchmark for measuring professional competence in information security.


Industry Value


The CISSP is widely regarded as one of the most prestigious and recognized certifications in cybersecurity, often required or preferred for senior-level security positions. Its value stems from its comprehensive coverage of eight security domains, including security operations, asset security, and security architecture, which demonstrates a candidate's broad expertise across the entire security landscape. The certification is accredited to ISO/IEC Standard 17024 and meets U.S. Department of Defense Directive 8570 requirements, making it particularly valuable for government contractors and enterprise organizations. Employers value CISSP-certified professionals because the rigorous examination process and experience requirements (minimum five years) ensure holders possess both theoretical knowledge and practical experience in managing and implementing security programs.

CSSLP
DEVSECOPS
CNDA
Redteamops
Redteamopsii
PECB Lead Auditor
PECB Lead Implementer
[05] Notable Clients
  • Aegean
  • Alpha Bank
  • Echa
  • Enisa
  • European Commission
  • EuroNav
  • Europol
  • European Patent Office
  • FirstData
  • Hellenic Police
  • Hellenic Republic Ministry of Finance
  • ITT Industries
  • Leroy Merlin
  • LL Loyds Banking Group
  • Logitech
  • MedUSA
  • Mytilineos
  • Nexi
  • NRB
  • OTE
  • Piraeus Bank
  • Public
  • Stoiximan
  • Teleperformance
  • Torishima
  • Tracys
  • UK Gov Department for Business
  • Energy & Industrial Strategy
  • University of Macedonia
  • Uni Systems