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The Ultimate Guide to Cyber Security Investigation Firms


Key Highlights

  • OEIS is a licensed private investigation firm that specializes in computer forensics and cyber security.

  • The company has over 25 years of experience in providing high-technology investigations and digital forensics services.

  • Their team of highly-trained investigators includes experts in digital forensics and law enforcement best practices.

  • They offer a wide range of services including computer forensics, mobile device forensics, incident response, and network security.

  • OEIS has a unique approach to TSCM sweeps and uses cutting-edge technology for malware and spyware detection.

  • They have a team of experienced professionals who have served in law enforcement and military intelligence and hold various certifications in the field of cyber security.


OEIS Investigations (OEIS), founded by Ihab Mansour, is a licensed private investigation firm that specializes in computer forensics and cyber security. With years of experience in the field, OEIS has established itself as a trusted and reliable provider of high-technology investigations and digital forensics services. The company is dedicated to delivering superior investigative, consulting, and expert testimony services to its clients.

Originally formed as OEIS Protection Inc. in 2014 and incorporated the title: OEIS Investigation in 2020, the company has been at the forefront of advancements in the field of cyber security and digital forensics. Their team of highly-trained investigators includes experts in digital forensics and law enforcement best practices. These investigators have extensive experience in conducting highly sensitive, covert counter-intelligence operations and internal investigations.

OEIS has a diverse clientele that ranges from private individuals and small businesses to national law firms and Fortune 100 corporations. Their Law Enforcement Consulting Services Division has also worked with domestic and foreign law enforcement agencies, as well as sovereign governments. The company’s expertise in cybercrime investigations, cybersecurity, and consulting has earned them a reputation for excellence in the industry.

Understanding Cyber Diligence

OEIS specializes in providing comprehensive cyber security services, including digital forensics, incident response, and network security. To understand the full extent of their expertise, it is important to familiarize oneself with some key terms related to cyber security, digital forensics, and forensic analysis.

Cyber security refers to the protection of computer systems, networks, and data from unauthorized access, use, disclosure, disruption, modification, or destruction. It involves the implementation of various security measures to prevent cyber-attacks and ensure the confidentiality, integrity, and availability of information.

Digital forensics is the process of collecting, analyzing, and preserving electronic evidence for investigative purposes. It involves the use of specialized techniques and tools to extract and examine data from digital devices, such as computers, mobile phones, and tablets. Digital forensics plays a crucial role in cybercrime investigations, as it helps uncover valuable evidence that can be used in legal proceedings.

Forensic analysis is a systematic examination of evidence using scientific and technical methods. In the context of cyber security, forensic analysis involves analyzing digital evidence collected during investigations to identify the cause, extent, and impact of a cyber security incident. This analysis helps in understanding the tactics, techniques, and procedures used by cyber criminals and enables organizations to strengthen their defenses against future attacks.

The Core of Our Expertise

At the core of OEIS’s expertise is their team of highly-trained investigators who have extensive experience in digital forensics and law enforcement best practices. These investigators bring their expertise to every case they handle, ensuring that the clients receive the best possible service.

Their extensive experience in digital forensics allows them to handle complex cases involving electronic evidence. They are skilled in the use of specialized tools and techniques to extract and analyze digital evidence, ensuring that no stone is left unturned in the investigation process. This expertise has made them a trusted provider of expert witness services, with their investigators often called upon to testify in court cases.

In addition to their digital forensics expertise, OEIS’s investigators have a background in law enforcement. This gives them a unique perspective and understanding of the criminal justice system, allowing them to approach investigations from a law enforcement standpoint. Their experience in working with law enforcement agencies also enables them to collaborate effectively with law enforcement when necessary, ensuring a seamless investigation process.

Vision and Mission

OEIS’s vision is to be the leading provider of cybercrime investigations, cybersecurity, and consulting services. They aim to help organizations navigate the complex and ever-evolving landscape of cyber threats by providing them with the expertise and tools they need to protect their assets and mitigate risks.

Their mission is to provide innovative and comprehensive solutions to their client’s cyber security needs. They are committed to delivering superior investigative, consulting, and expert testimony services that meet the highest standards of quality and professionalism. They strive to build long-term relationships with their clients, based on trust, integrity, and client satisfaction.

OEIS is dedicated to making a positive impact in the fight against cybercrime. They work closely with organizations to develop proactive strategies to prevent cyber attacks and respond effectively to incidents. Their team of experts is always up-to-date with the latest trends and technologies in the field of cyber security, ensuring that their clients receive the best possible advice and solutions.

Comprehensive Cyber Security Services

OEIS offers a wide range of comprehensive cyber security services to meet the diverse needs of their clients. From advanced computer forensics to cutting-edge eDiscovery solutions, their services are designed to address the complex challenges posed by cyber threats.

Advanced Computer Forensics

Computer forensics is a key component of OEIS’s cyber security services. Their experts use state-of-the-art tools and techniques to conduct thorough computer forensics investigations. They are skilled in the collection, preservation, and analysis of electronic evidence, helping their clients uncover valuable information that can be used in legal proceedings.

Their computer forensics services include the extraction and analysis of data from computers, mobile devices, and other digital devices. They can recover deleted files, analyze internet browsing history, and examine email communications. Their experts can also identify and analyze digital artifacts that may be crucial in determining the cause and impact of a cyber security incident.

In addition to their technical expertise, OEIS’s computer forensics team is experienced in working with law enforcement agencies and the criminal justice system. This allows them to handle cases involving electronic evidence with the highest level of professionalism and adherence to legal procedures.

Mobile Device Forensics Insights

Mobile devices have become an integral part of our daily lives, and their use in criminal activities has also increased. OEIS understands the importance of mobile device forensics in uncovering evidence and has developed expertise in this area.

Their mobile device forensics services cover a wide range of devices, including iOS, Android, and non-smart phones. Their experts can extract and analyze data from these devices, including text messages, call logs, contacts, and social media accounts. They can recover deleted data and examine encrypted data, ensuring that no valuable evidence is overlooked.

Mobile device forensics is particularly valuable in cases involving cyber harassment, fraud, and other cybercrimes. OEIS’s experts have the skills and tools necessary to uncover digital evidence that can be used to identify perpetrators and build a strong case.

Cutting-edge eDiscovery Solutions

In today’s digital age, the volume of electronic data has increased exponentially. This has made the process of electronic discovery (eDiscovery) more complex and time-consuming. Cyber Diligence offers cutting-edge eDiscovery solutions to help organizations efficiently manage and analyze large volumes of electronic data.

Their eDiscovery services include data collection, processing, production, assessment, and consulting. They have the expertise to handle complex eDiscovery projects, ensuring that relevant electronic information is collected, processed, and produced in a legally defensible manner. Their experts can also provide assessment and consulting services to help organizations develop effective eDiscovery strategies and workflows.

Cyber Diligence’s eDiscovery solutions are designed to streamline the eDiscovery process, saving organizations time and resources. Their experts have a deep understanding of the legal and technical aspects of eDiscovery, ensuring that their clients receive the highest level of service and support.

Proactive Incident Response Strategies

In today’s cyber landscape, it is not a matter of if, but when, an organization will face a cyber security incident. OEIS understands the importance of proactive incident response strategies and offers a range of services to help organizations prepare for and respond to cyber security incidents.

Immediate Action Plans

When a cyber security incident occurs, it is critical to take immediate action to minimize the impact and prevent further damage. OEIS incident response team is experienced in developing and executing immediate action plans to address cyber security incidents effectively.

Their immediate action plans include steps such as isolating affected systems, containing the incident, collecting and preserving evidence, and notifying relevant stakeholders. Their experts work closely with organizations to create customized action plans that align with their specific needs and requirements.

In addition to their immediate response capabilities, OEIS also provides post-incident recovery services. Their experts can help organizations assess the impact of the incident, restore systems and data, and develop strategies to prevent future incidents.

Post-Incident Recovery

Recovering from a cyber security incident requires a thorough understanding of the impact and the ability to restore systems and data quickly. OEIS’s post-incident recovery services are designed to help organizations recover from cyber security incidents and ensure business continuity.

Their experts can assess the impact of the incident, identify vulnerabilities, and develop strategies to prevent future incidents. They work closely with organizations to restore systems and data, ensuring that operations can resume as quickly as possible. Their focus is not only on technical recovery but also on helping organizations implement measures to prevent similar incidents in the future.

Network Security and Forensics

Network security is a critical component of any organization’s cyber security strategy. OEIS offers comprehensive network security and forensics services to help organizations safeguard their digital infrastructure and investigate network intrusions.

Safeguarding Digital Infrastructure

Protecting digital infrastructure from cyber threats is essential to ensure the confidentiality, integrity, and availability of data and services. OEIS’s network security services are designed to help organizations identify vulnerabilities, implement appropriate security measures, and monitor their networks for potential threats.

Their experts have extensive experience in network security and can provide organizations with the guidance they need to develop robust network security strategies. They can conduct audits of network infrastructure, assess the effectiveness of existing security controls, and recommend improvements.

Forensic Analysis of Network Intrusions

In the event of a network intrusion, it is crucial to conduct a thorough forensic analysis to determine the cause, scope, and impact of the intrusion. OEIS’s experts are skilled in forensic analysis of network intrusions and can help organizations investigate and mitigate the effects of such incidents.

Their forensic analysis services include the examination of network logs, malware analysis, and the identification of indicators of compromise. They can also provide organizations with detailed reports and recommendations to strengthen their network security posture and prevent future intrusions.

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Advanced computer forensics

State-of-the-art tools and techniques

Mobile device Forensics Insights

Extraction and analysis of Data from iOS, Android, and non-smartphones

Cutting-edge eDiscovery solutions

Data collection, processing, production, and consulting

Immediate action plans

Isolating affected systems, containing the incident, collecting evidence

Post-incident recovery

Assessing the impact, restoring systems and data, preventing future incidents

Safeguarding digital infrastructure

Identifying vulnerabilities, implementing security measures, monitoring networks

Forensic analysis of network intrusions

Examination of network logs, malware analysis, and identification of indicators of compromise

Our Unique Approach to TSCM Sweeps

OEIS has a unique approach to Technical Surveillance Counter-Measures (TSCM) sweeps, which involve the inspection of premises, vehicles, and digital devices for the presence of surreptitious eavesdropping devices. Their approach combines the use of advanced tools and technologies with a focus on ensuring confidentiality and security.

Techniques and Technologies Employed

OEIS’s TSCM sweeps are conducted by technicians who utilize the latest and most sophisticated detection tools and proven methodologies. These tools and technologies are designed to detect even the most advanced and well-hidden eavesdropping devices.

Their technicians are trained in the use of these tools and technologies to ensure accurate and thorough sweeps. They follow established protocols and best practices to conduct comprehensive inspections, focusing on areas where eavesdropping devices are most likely to be hidden.

Ensuring Confidentiality and Security

Confidentiality and security are of paramount importance when conducting TSCM sweeps. OEIS understands the sensitive nature of these sweeps and takes every measure to protect the privacy and security of their clients.

Their technicians adhere to strict ethical guidelines and maintain the highest level of professionalism throughout the process. They work discreetly and ensure that all findings and information collected during the sweeps are handled with the utmost confidentiality.

Malware and Spyware Detection Services

Malware and spyware are significant threats to organizations, as they can compromise the security of systems and steal sensitive information. OEIS offers specialized services for the detection and eradication of malware and spyware, helping organizations protect their assets and data.

Identification and Eradication Processes

OEIS’s experts are skilled in the identification and eradication of malware and spyware. They use advanced tools and techniques to detect and remove malicious software from systems and networks.

Their identification process involves thorough scanning of systems and networks to identify the presence of malware and spyware. Once identified, they develop customized eradication strategies to remove the malicious software and restore the integrity of the affected systems.

In addition to detection and eradication, OEIS also provides organizations with preventive measures and recommendations to strengthen their security posture and minimize the risk of future malware and spyware infections.

Preventive Measures and Recommendations

Prevention is key when it comes to malware and spyware infections. OEIS’s experts provide organizations with preventive measures and recommendations to protect their systems and networks from malware and spyware attacks.

Their recommendations may include implementing robust security measures such as firewalls and antivirus software, conducting regular system updates and patches, and educating employees on safe browsing practices. By following these recommendations, organizations can significantly reduce the risk of malware and spyware infections.

Expertise in Data Collection and Preservation

Data collection and preservation are critical aspects of any cyber security investigation. OEIS has extensive expertise in forensic imaging techniques and understands the legal and ethical considerations involved in data collection and preservation.

Forensic Imaging Techniques

Forensic imaging is the process of creating a bit-by-bit copy of a storage device, such as a hard drive or a mobile device. OEIS’s experts are skilled in forensic imaging techniques and use specialized tools to ensure the integrity and authenticity of the data collected.

Their forensic imaging techniques comply with legal and industry standards and ensure that the collected data can be used as evidence in legal proceedings. They also store all evidence items in heavy-duty, fire-resistant safes to ensure the security and preservation of the data.

Legal and Ethical Considerations

The collection and preservation of data in cyber security investigations must comply with legal and ethical considerations. OEIS’s experts are well-versed in these considerations and ensure that all data collection and preservation activities adhere to the highest standards of legal and ethical practices.

They understand the requirements of federal courts and other governing bodies and can provide organizations with guidance on the legal and ethical aspects of data collection and preservation. By following these guidelines, organizations can ensure that the evidence collected is admissible in court and that their investigations are conducted in a legally and ethically sound manner.

Social Media and Web Presence Analysis

Social media and web presence analysis play a crucial role in cyber security investigations. OEIS offers comprehensive services for capturing and analyzing social media and web data, helping organizations uncover security threats and gather valuable intelligence.

Comprehensive Web Captures

OEIS’s experts provide forensic captures of social media accounts, web pages, and entire websites. Their comprehensive web captures help organizations gather evidence, monitor online activities, and analyze digital footprints.

By capturing and analyzing social media and web data, organizations can identify potential security threats, monitor competitor activities, and gather intelligence on individuals or groups involved in cybercrime. OEIS’s experts have the technical expertise and tools necessary to conduct thorough web captures and provide organizations with actionable insights.

Analyzing Social Media for Security Threats

Social media platforms have become a breeding ground for cyber security threats. OEIS’s experts are skilled in analyzing social media data to identify security threats and potential risks.

Their analysis involves monitoring social media accounts, identifying suspicious activities and behaviors, and mapping connections between individuals or groups. By analyzing social media data, organizations can gain valuable insights into potential security threats and take proactive measures to mitigate risks.


In conclusion, OEIS is a leading computer forensics and investigation firm that specializes in comprehensive cyber security services. Our expertise lies in advanced computer forensics, mobile device forensics, cutting-edge eDiscovery solutions, proactive incident response strategies, network security and forensics, TSCM sweeps, malware and spyware detection, data collection and preservation, social media and web presence analysis, and digital forensics. We take pride in our unique approach to cyber security, ensuring confidentiality and security while providing expert analysis and recommendations. With our experience and awards in the field of cyber security consulting, you can trust us to handle any security threat and provide effective solutions. Visit our website for more information on our services and to schedule a consultation.

Digital Forensics

Digital forensics is a key component of OEIS’s cyber security services. Their experts are highly skilled in the field of digital forensics and have extensive experience in investigating computer crimes and analyzing digital evidence.


OEIS is a critical concern for organizations of all sizes and industries. They offer a range of cyber security services to help organizations protect their assets, mitigate risks, and respond effectively to cyber security incidents.

Digital Forensics Services and Malware Analysis

Digital forensics services and malware analysis are integral parts of OEIS’s cyber security offerings. Their experts are skilled in conducting thorough digital forensics investigations and analyzing malware to uncover valuable evidence and identify security threats.

Cyber Incident Response

Cyber incidents can have a significant impact on organizations, both financially and reputationally. OEIS provides comprehensive cyber incident response services to help organizations minimize the impact of cyber security incidents and restore normal operations quickly.


OEIS’s expertise in the field of cyber security is backed by decades of experience and the combined knowledge of their team members, many of whom have served in military intelligence and law enforcement careers.


OEIS’s commitment to excellence in cybersecurity consulting has earned them numerous awards and recognitions. Their dedication to providing superior services and innovative solutions has been acknowledged by industry leaders and clients alike.

Social Media & Web Capture

Social media and web capture play a crucial role in cyber security investigations. OEIS offers comprehensive services for capturing and analyzing social media accounts, web pages, and entire websites.

IT Security Monitoring

IT security monitoring is a critical component of any organization’s cyber security strategy. OIES provides comprehensive IT security monitoring services to help organizations detect and respond to potential security threats.

Frequently Asked Questions

What Sets Our Cyber Security Services Apart?

OEIS’s cyber security services stand out due to their unique approach, extensive experience, certified experts, innovative solutions, and focus on client satisfaction. Their combination of technical expertise and law enforcement experience sets them apart from other cyber security firms.


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Military Trained Professionals

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