Lawful Interception Warrant

Detects documents containing telecommunications interception warrants and stored communications warrants issued under the Telecommunications (Interception and Access) Act 1979 (Cth). Disclosure of the existence of an interception warrant is a criminal offence under s.63 of the TIA Act and alerts targets to switch to unmonitored channels.

Type

keyword_proximity

Engine

universal

Confidence

high

Confidence justification

High confidence: the combination of TIA Act-specific terminology with warrant reference numbers and target identifiers is highly distinctive. These terms rarely appear together outside genuine interception warrant documents. The s.63 secrecy provisions referenced in these documents are unique identifiers.

Jurisdictions

au

Regulations

PPRA 2000 (Qld), TIA Act 1979 (Cth)

Frameworks

QGISCF

Data categories

law-enforcement, government

Scope

wide

Risk rating

10

Pattern

(?i)\b(telecommunications\s+interception|TI\s+warrant|TIA\s+Act|interception\s+warrant|stored\s+communications\s+warrant|preservation\s+notice|B-party\s+warrant|lawful\s+interception)\b

Corroborative evidence keywords

PROTECTED, Law-Enforcement, TIA Act, section 63, s.63, secrecy provision, interception agency, issuing authority, eligible judge, nominated AAT member, telephone intercept, stored communications, preservation notice, target service, IMEI, interception product, investigation, enforcement, prosecution, arrest (+53 more)

Proximity: 300 characters

Should match

• PROTECTED Law-Enforcement. Telecommunications Interception Warrant — TIA/2025/QPS/00342. Issued by eligible Judge under TIA Act s.46. Target service: mobile number 0412 XXX 789, IMEI 35467209XXXXXX. Interception warrant period: 90 days commencing 15 February 2025. Subject: Operation FALCON. — TIA Act interception warrant with warrant reference number and target service details
• Stored communications warrant application. Reference: SCW-2025-0156. Pursuant to Telecommunications (Interception and Access) Act 1979 (Cth) Part 3-3. Stored communications held by carrier Telstra for target email account. Secrecy obligations under s.63 apply to all recipients of this document. — Stored communications warrant application with legislative references
• B-party warrant application. The subject of the interception warrant TIA/2025/QPS/00298 has been communicating with an unidentified B-party using prepaid SIM. Application for B-party warrant to identify the associate. TIA Act secrecy provisions noted — disclosure of this warrant is a criminal offence. — B-party warrant application referencing existing interception warrant

Should not match

• The Parliamentary Joint Committee on Intelligence and Security tabled its annual review of the Telecommunications (Interception and Access) Act 1979. The report noted that 3,247 interception warrants were issued nationally during the reporting period. — Parliamentary committee report with aggregate warrant statistics
• A telecommunications law textbook chapter explaining the legal framework for interception warrants under the TIA Act. The chapter discusses the requirements for issuing an interception warrant and the secrecy provisions in s.63. — Legal textbook explaining TIA Act framework
• ABC News reported that federal police obtained telecommunications interception warrants as part of a drug trafficking investigation. Three men were arrested following the 18-month investigation. — News article about a concluded investigation mentioning warrants

Known false positives

• Parliamentary reports and reviews discussing TIA Act warrant statistics in aggregate Mitigation: Negative keyword exclusion: 'parliamentary', 'annual review', 'reporting period', 'tabled', 'committee'. Require proximity to specific target identifiers.
• Legal textbooks and academic materials explaining interception law Mitigation: Negative keyword exclusion: 'textbook', 'academic', 'university', 'chapter', 'legal framework', 'explains'
• News articles reporting on completed investigations that involved warrants Mitigation: Negative keyword exclusion: 'media release', 'news', 'reported', 'arrested', 'convicted', 'sentenced', 'court heard'