Lyon - Paris

24/24 - 7/7

+33 (0) 4 78 51 13 79

Emergency

Our expertise

Cybersecurity

Asset protection and strategic defense

Detect

data leaks

Strengthen

your resilience

Secure

your digital assets

Objectives

of our Cybersecurity offer

Protecting critical systems, data and infrastructures is a strategic issue for businesses and public organizations alike. A single breach can compromise sensitive information, lead to major financial losses and cause lasting damage to an entity's reputation. At Semkel, we take a proactive, strategic approach to cybersecurity to help our customers anticipate, detect and neutralize cyber threats before they cause irreversible damage. Through continuous monitoring of digital environments, advanced attack detection and rapid incident response, we enable organizations to strengthen their resilience in the face of cyber threats.

Whether it's preventing data leaks, securing infrastructures, detecting vulnerabilities or identifying emerging threats, our cybersecurity expertise guarantees optimum protection in an ever-changing digital ecosystem.

Our methods

A unique approach

Thanks to our expertise in cyber threat intelligence (CTI), we help organizations anticipate digital risks and threats.

Detecting data leaks on the Clear Web & Dark Web

Continuous monitoring of underground databases and forums - Identification of compromised sensitive information.

Detecting critical vulnerabilities

Analysis of technical vulnerabilities exploitable by cybercriminals - Prioritization of vulnerabilities

Credential detection and cyber threats

Monitoring of compromised credentials - Detection of infostealer - Prevention of ransomware - Protection against phishing attacks and social engineering.

Supply chain assessment

Identification of weak points in partners' digital ecosystems - Mapping of critical dependencies.

Implementation

Use cases

An unfortunate breach

A company specializing in the placement of consultants calls on us because they have recurring difficulties in finalizing their recruitment. Many candidates choose their main competitor instead. The managers are concerned about the internal confidentiality of their recruitment practices.

 

Our approach

We have chosen to approach the request from the angle of digital integrity via a cyber scan.

  • Assessing the attack surface: digital and human resources, technological environments
  • Detecting vulnerabilities in critical assets and data
  • Search for information leaks.

 

Results

We discover the reason for the competitor's advantage. The HR department uses a cloud-based storage service for CVs and administrative recruitment documents. A cloud environment hosting the documents is accessible. The documents are indexed on Google and free to consult, making them easily (and illegally) available to the competition.

Avoidable ransomware

A manufacturer is the victim of ransomware on its logistics ERP. There is no longer any access to the software and no back-up available. He calls on Semkel to support him in this crisis.

 

Our approach

  • Preliminary cyber scan audit: attack surface, vulnerabilities, data leaks...
  • Set up cyber monitoring for 3 months : to make sure that patches are working and that the rest of the systems are not being compromised.

 

Results

A 250-page audit report, showing several critical vulnerabilities and leaks of credentials linked to infostealers on PCs still present on the site concerned. The report enabled the teams to correct numerous critical points and isolate infected PCs. The monitoring ensured that the CIO's remediation operation ran smoothly for the 2 months it took to reconstitute the data.

A compromised supplier

The management of a company specializing in the manufacture of medicines takes the digital resilience of its organization very seriously. It decided to opt for a comprehensive cyber monitoring system covering all its critical suppliers.

 

Our approach

  • Protected assets: 2 domain names, 50 IPs, 8 VIs and IPs.
  • Strategic suppliers: 4 in total. Obtain prior contractual authorization and define the perimeter covered for the common attack area.
  • Scope: data and credential leakage, cyberattack flows, breach prevention. Networks covered: all.

 

Results

The monitoring made it possible to anticipate a vulnerability linked to one of our critical suppliers, which was the victim of an intrusion on its network.

See more

The offer

2 possibilities

Cyber Scan

A Cyber Scan is an audit carried out at a given point in time to assess the exposure of a company, organization or individual to cyber threats. It identifies technical vulnerabilities, data leaks and risks of compromise before they are exploited by malicious actors.

Our areas of analysis

  • Vulnerability mapping: identification of hidden assets and their security vulnerabilities that can be exploited by cybercriminals (servers, applications, IT infrastructures).
  • Data leakage detection: analysis of the Clear Web, Deep Web and Dark Web to identify compromised information (identifiers, sensitive documents, databases).
  • Attack surface assessment: analyze potential entry points for attackers and measure an organization's level of exposure.
  • Identify targeted cyber threats: monitor hacker groups, underground forums and suspicious activities around the company or its business sectors.

 

Thanks to Cyber Scan, companies and organizations have a clear view of their cyber risks, and can implement corrective measures to strengthen their security before a threat materializes.

Cyber Monitoring

Cyber Monitoring is continuous, proactive surveillance that enables real-time detection of cyber threats, anticipation of attacks and rapid response to security incidents. Unlike Cyber Scan, which provides a one-off assessment of the situation, this approach ensures dynamic protection against emerging risks by constantly monitoring digital environments.

Our watchwords

  • Real-time detection of data leaks: identification of compromised information on the Clear Web, Deep Web and Dark Web (identifiers, sensitive documents, exposed databases).
  • Vulnerability monitoring: tracking known and new security vulnerabilities, to anticipate attacks exploiting these weaknesses.
  • Monitoring emerging cyberthreats: analysis of the activities of cybercriminal groups, underground forums and illegal marketplaces to identify threats targeting the organization.
  • Alerting and remediation: implement rapid response protocols in the event of a detected threat, to limit the impact and reinforce ongoing cybersecurity.

 

Thanks to Cyber Monitoring, companies and organizations benefit from active protection against digital attacks, reduce their exposure to risk and ensure greater resilience in the face of constantly evolving cyber threats.

Start protecting your economic and digital interests now

+33 (0) 4 78 51 13 70

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