Think Unlimited · Incident Readiness Lebanon

Cyber Incident Response Plan Lebanon: The First 24 Hours

A practical first-24-hours cyber incident response plan for Lebanese businesses covering containment, evidence, accounts, communications, recovery, and AI-supported triage.

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Operational notice: This guide provides general cybersecurity preparation and response information. It is not legal advice, does not replace an authorized forensic investigation, and should be adapted to the affected systems, contracts, sector, and evidence.

What counts as a cyber incident?

A security alert becomes a business incident when it threatens operations, data, accounts, customer trust, or the confidentiality, integrity, or availability of a system. The NIST definition of an incident covers events that actually or potentially jeopardize those properties or violate security policies.

For a Lebanese business, the first sign may be an inaccessible website, changed bank or advertising details, suspicious administrator access, unexpected password resets, malware warnings, leaked documents, altered cloud permissions, fraudulent WhatsApp messages, or an employee account sending messages it did not create. The correct response is not panic and not immediate destruction. It is controlled coordination.

The first 15 minutes: declare and control

1. Name one incident lead

Give one authorized person responsibility for decisions, timestamps, assignments, and escalation. Technical responders, management, communications, vendors, and legal counsel should work from the same verified incident record.

2. Record what was observed

Write down who detected the issue, the exact time, affected accounts or devices, visible messages, suspicious IP addresses or domains, recent administrative changes, and actions already taken. Preserve original screenshots and exports.

3. Separate facts from assumptions

“The website is unavailable” is an observation. “The database was stolen” is a conclusion requiring evidence. This distinction prevents incorrect public statements and destructive technical decisions.

The first hour: contain without destroying evidence

The objective is to limit attacker access while protecting the information required to understand the incident. CISA’s incident-response material emphasizes coordinated containment, eradication, recovery, and evidence handling. See the official CISA incident-response playbooks.

Hours 1–4: understand the blast radius

AreaQuestions to answer
IdentityWhich users, administrators, former employees, vendors, recovery emails, MFA methods, tokens, and sessions could be affected?
InfrastructureWhich websites, APIs, servers, cloud resources, databases, endpoints, DNS zones, and backups are connected?
BusinessWhich customer journeys, payments, bookings, campaigns, documents, or critical operations may be interrupted?
EvidenceWhich logs are volatile, which systems have short retention, and which timestamps need normalization?
CommunicationWho needs verified information now, and who must not receive speculative details?

How AI can support incident triage safely

AI-supported cybersecurity analysis can help group alerts, compare timestamps, summarize large log sets, identify repeated indicators, and turn technical evidence into an investigation queue. It can also help leadership understand which questions remain unanswered.

AI must not be treated as an autonomous incident commander. Model output can be incomplete or incorrect. Human responders must validate indicators, preserve source evidence, control access to sensitive data, and approve containment or recovery actions. Think Unlimited uses AI as an intelligence layer—not as a replacement for cybersecurity engineers.

Hours 4–12: communicate with discipline

Create separate communication tracks for the response team, leadership, employees, vendors, customers, insurers, regulators, or law enforcement where applicable. Share only verified facts and approved instructions. Avoid posting attacker indicators publicly while containment is active unless qualified responders determine that disclosure is appropriate.

The Lebanese Telecommunications Regulatory Authority has publicly emphasized coordinated incident-management capability and public-private cooperation. Its overview of cybersecurity in Lebanon and description of CERT functions provide national context, but organizations must confirm the current reporting channels and obligations applicable to their specific incident and sector.

Hours 12–24: recover through evidence-based decisions

Preparation determines whether the first day is controlled

A reliable response plan should exist before an incident. Maintain an asset and account inventory, emergency contacts, clean administrative access, protected backups, log-retention expectations, vendor escalation paths, decision authority, and a communication template. Exercise the plan through authorized simulations and technical validation.

The complete business cybersecurity framework for Lebanon connects incident readiness with exposure review, penetration testing, vulnerability prioritization, managed visibility, and executive reporting. Organizations requiring continued review can also examine managed cybersecurity support in Lebanon.

First-day executive checklist

  1. Incident declared and incident lead assigned.
  2. Facts, timestamps, affected assets, and evidence recorded.
  3. Confirmed exposure contained without unnecessary destruction.
  4. Identity, cloud, website, endpoint, vendor, and backup scope reviewed.
  5. Internal and external communications approved.
  6. Recovery criteria defined and tested.
  7. Follow-up investigation, remediation, retesting, and reporting assigned.