- Suspicious
One report for 0408 137 903 (0408137903): SMS phishing attempt claiming recipient was added to a chat, with suspicious link included.
Phishing Link SMS Reports for 0408 137 903
A contributor has reported receiving a suspicious SMS from 0408 137 903 (also written as 0408137903) containing a phishing link. The message claimed the recipient had been added to a chat conversation they were never part of, a common social engineering tactic designed to create false urgency or curiosity that prompts users to click unknown links.
This report about 0408137903 indicates the number may be used as part of SMS phishing campaigns, where attackers distribute messages with embedded malicious links to harvest personal information, install malware, or redirect victims to fake login pages.
What the SMS from 0408 137 903 Contained
The contributor described receiving an SMS from 0408 137 903 that falsely claimed they had been included in a chat. The message included a link, but no legitimate context explaining why they should click it or what the supposed chat was about.
This approach relies on social manipulation: the vague reference to being "left a chat" creates curiosity or concern, potentially prompting the recipient to click the link before thinking critically about whether they actually joined any conversation. Phishing messages from 0408137903 using this technique are unlikely to be legitimate.
Report Details
One contributor flagged this SMS from 0408 137 903 on 25 January 2026. The report was submitted via Reverseau, adding to community intelligence about phishing attempts on Australian mobile networks. The number is allocated to Telstra, though this does not indicate Telstra involvement in the phishing campaign.
What to Do If You Receive an SMS from 0408 137 903
If 0408137903 sends you a message like this:
- Do not: Click any links in the message, reply to the SMS, or call the number back
- Do not: Share any personal information, passwords, or financial details if prompted after clicking
- Do: Delete the message immediately
- Do: Block 0408 137 903 on your phone to prevent future messages
- Do: Report the SMS to your mobile provider (Telstra, in this case) and to the relevant authorities
How to Report 0408 137 903
If you receive phishing SMS from 0408 137 903 or 0408137903, report it through these official Australian channels:
- Scamwatch: scamwatch.gov.au - report SMS phishing and social engineering attempts
- ACMA (Australian Communications and Media Authority): acma.gov.au - report spam and phishing SMS
- ReportCyber: cyber.gov.au - report cybersecurity incidents including phishing links
- Your mobile provider: Forward the SMS to Telstra's abuse team for investigation and blocking
- Reverseau: Report your experience on this page to help other Australians identify similar phishing attempts
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What Our Users Reviewed
This phone number was provided as a link from a text message stating they had left this chat which I was never a party to.
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WRITE A REVIEWFrequently Asked Questions
What should I do if I already clicked the link from 0408 137 903?
If you clicked a link from 0408 137 903 (0408137903), take these steps: (1) disconnect from the internet or enable airplane mode immediately; (2) change your passwords for important accounts (email, banking, social media) from a secure device; (3) monitor your bank accounts and credit card statements for unauthorised activity; (4) report the incident to your bank if any financial information was entered; (5) contact ReportCyber at cyber.gov.au if you believe malware was installed.
Is 0408 137 903 a legitimate Telstra number?
The number 0408137903 is allocated to Telstra as a mobile number, but allocation alone does not mean the number is legitimate. Phishing campaigns often use real or spoofed mobile numbers to appear credible. The SMS report about 0408 137 903 indicates it has been used for phishing, so exercise extreme caution with any message from this number.
Why would someone text me about a chat I didn't join from 0408137903?
The SMS from 0408 137 903 about a non-existent chat is a social engineering tactic. Attackers send vague messages claiming you've been added to a conversation to create curiosity or concern, which may prompt you to click a link without thinking. The attacker likely does not know you personally; they are using a mass phishing campaign hoping some recipients will click.
How do I block 0408 137 903 on my phone?
To block 0408137903 on most Australian mobile phones: (1) Open the Messages app; (2) Find the SMS from 0408 137 903; (3) Long-press the message and select 'Block' or 'Block Number'; (4) Confirm the block. On Telstra, you can also contact customer service to request they block the number at the network level, preventing any further contact from 0408 137 903.
What information do phishing links from 0408137903 try to steal?
Phishing links can attempt to steal various information depending on where they direct you. Common targets include: login credentials (email, banking, social media), personal details (full name, address, date of birth), financial information (credit card or bank account details), and authentication codes (one-time passwords or 2FA codes). The SMS from 0408 137 903 uses the 'chat invitation' pretext, which commonly leads to fake login pages designed to harvest account credentials.
Should I report 0408 137 903 to Telstra?
Yes, you should report 0408137903 to Telstra immediately. As the network provider, Telstra can investigate whether the account associated with 0408 137 903 has been compromised or is being used fraudulently. You can report the phishing SMS to Telstra's abuse team through their website or by contacting customer service. Additionally, report to Scamwatch (scamwatch.gov.au) and ACMA (acma.gov.au) to help protect other Australians from the same phishing campaign.