[INDIA] RBI, SEBI and IRDAI · Source-code escrow and continuity obligations for critical applications[EU DORA] ICT third-party risk testing required · In force Jan 2025[PRA] SS2/21 UK · Vendor recovery evidence required[MAS] Singapore TRM · Independent vendor recoverability expected[APRA] CPS 230 Australia · Third-party continuity obligations in force[FFIEC] United States · Source-code access and software escrow addressed in third-party contracts[ENTERPRISE] Mission-critical software procurement increasingly requires continuity evidence before contract
[INDIA] RBI, SEBI and IRDAI · Source-code escrow and continuity obligations for critical applications[EU DORA] ICT third-party risk testing required · In force Jan 2025[PRA] SS2/21 UK · Vendor recovery evidence required[MAS] Singapore TRM · Independent vendor recoverability expected[APRA] CPS 230 Australia · Third-party continuity obligations in force[FFIEC] United States · Source-code access and software escrow addressed in third-party contracts[ENTERPRISE] Mission-critical software procurement increasingly requires continuity evidence before contract

CASTLER CYBER WATCH

Cybersecurity news
that matters to your business.

Data breaches, cyberattacks, exploited vulnerabilities and supply-chain failures — what happened, what is actually confirmed, and what it means for the software and vendors you depend on.

Last source check: 4 October 2026

Coverage may be out of date. No successful source check has been recorded in the past 36 hours.

Latest published updates

Newest publications first

Published date

Data breaches· Reported· Reported 13 November 2026

Uber driver licence data stolen in Fireworks AI vendor breach

Uber is notifying thousands of drivers that their personal details and driver's licence information were stolen from a technology vendor. TechCrunch identified the vendor as Fireworks AI. Uber says its vendor first notified it on October 9, 2026. State filings list 2,567 Massachusetts, 3,430 South Carolina and 1,873 Rhode Island residents, with other totals still pending. No group has claimed the theft.

Data breaches· Reported· Reported 14 November 2026

Navi Mumbai bank breach allegedly exposes 4,280 customer records

Police in Navi Mumbai have registered a case over an alleged cyberattack on a nationalised bank's data centre in CBD Belapur. According to the FIR, data for about 4,280 customers, including loan applications and account-opening forms, was taken between October 9 and 15, 2026. Some material has allegedly appeared on the dark web. The bank has not been named, and it says it is still assessing the breach.

Published date

Data breaches· Officially confirmed· Reported 9 November 2026

Fireworks AI says attackers stole billing data and some secrets

AI infrastructure company Fireworks AI says attackers stole account and billing information from an October 2026 breach, and secrets, datasets and some incomplete model weights for a limited set of accounts. A second intrusion through a third-party cloud provider followed on October 24. Fireworks says card numbers were not stored or affected. It has engaged Palo Alto Networks Unit 42 and revoked credentials.

Cyberattacks· Reported· Reported 11 November 2026

Bengaluru fintech reports ₹31.43 crore fraud from escrow account

A Bengaluru digital financial services company has reported unauthorized debits of about ₹31.43 crore from its escrow account at a private bank. A complaint says the bank flagged suspicious transfers on November 4, 2026, and the company's internal investigation the next day found 301 debits. The transfers went to 127 beneficiary accounts, and about ₹68.48 lakh has been credited back. Whitefield police have registered a case under the IT Act and Bharatiya Nyaya Sanhita. The company's identity and the attack method are not reported.

Supply chain· Developing· Reported 12 November 2026

Expedia confirms attackers entered systems through a data vendor

Expedia Group says attackers reached its systems through a compromised third-party data platform provider. The company has not named the vendor or said what data may have been exposed. An extortion group called n0n claims it stole Expedia data, and Expedia has not confirmed the scope. Researchers linked a separate October campaign to Qubole, a cloud data vendor, but Expedia has not said whether it is connected.

Published date

Vulnerabilities· Developing· Reported 20 October 2026

eMudhra revokes eight TLS intermediate CAs over weak keys

eMudhra, a digital trust provider with services in India, revoked eight intermediate certificate authorities in its Global TLS business after a researcher found their private keys were weak. The keys were created in an April 2025 ceremony, and a flaw in one key-handling step produced a weak set alongside strong keys. eMudhra says no certificates were issued from the revoked intermediates and no data was breached. Google Chrome and Mozilla have blocked the affected keys in their browsers.

Published date

Phishing & malware· Reported· Reported 10 September 2026

Trezor warns of phishing after an email-provider breach

Trezor warned that a third-party email-provider breach was being used to send fraudulent security alerts to customers, according to BleepingComputer. The company said the messages were phishing attempts and that it was investigating. The messages' claimed wallet vulnerability is part of the lure, not a verified finding.

Cyberattacks· Reported· Reported 21 September 2026

GreyNoise reports government data theft via WordPress and Zyxel

GreyNoise reports that attackers used two WordPress vulnerabilities against at least 49 organizations and stole more than 18,000 records from an unnamed Western government. It also reports exploitation and data extraction from 996 Zyxel GS1900 switches in 48 countries. The observations come from the firm's sensors and attacker infrastructure; the government victim remains unnamed and state sponsorship is not established.

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