Articles from Ooroboros about systems, operations, and foundations that last. We write in Simplified Technical English (ASD-STE100).https://ooroboros.com/en-myhttps://ooroboros.com/in-the-loop/php2shell-update-php-now/https://ooroboros.com/in-the-loop/php2shell-update-php-now/Two critical flaws in PHP let an attacker take control of a web server with one request and no login. Learn who is affected, which versions are fixed, and what to do this week.Thu, 22 Oct 2026 02:00:00 GMTSecurityPHPOperationshttps://ooroboros.com/in-the-loop/e-invoice-cross-border-imports/https://ooroboros.com/in-the-loop/e-invoice-cross-border-imports/e-Invoice is not a domestic-only rule. Imports and payments to overseas suppliers can fall under the same requirement. Learn where the mandate applies to cross-border transactions.Fri, 11 Sep 2026 07:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/e-invoice-deposit-rules/https://ooroboros.com/in-the-loop/e-invoice-deposit-rules/Refundable deposits and non-refundable deposits have different e-Invoice rules. Many businesses treat them the same. Learn the difference, and when to issue the document.Fri, 11 Sep 2026 06:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/e-invoice-credit-debit-notes/https://ooroboros.com/in-the-loop/e-invoice-credit-debit-notes/Your sales invoices can be perfect and your business can still be non-compliant. Credit notes and debit notes are in scope. Learn the gap that most businesses do not check.Fri, 11 Sep 2026 05:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/myinvois-rejected-tin-error/https://ooroboros.com/in-the-loop/myinvois-rejected-tin-error/The most common cause of an e-Invoice rejection is not a tax rule. It is an old Tax Identification Number that nobody updated. Learn where to look first.Fri, 11 Sep 2026 04:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/e-invoice-relaxation-period-meaning/https://ooroboros.com/in-the-loop/e-invoice-relaxation-period-meaning/The relaxation period is the most misread phrase in the Malaysian e-Invoice mandate. Learn what it protects you from, what it requires from you, and when it ends.Fri, 11 Sep 2026 03:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/e-invoice-72-hour-cancellation/https://ooroboros.com/in-the-loop/e-invoice-72-hour-cancellation/MyInvois gives you 72 hours to cancel an e-Invoice. After the window closes, the correction is a different process. Learn the window, and how to stay inside it.Fri, 11 Sep 2026 02:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/e-invoice-rm10000-rule/https://ooroboros.com/in-the-loop/e-invoice-rm10000-rule/Consolidated e-Invoicing is allowed in Malaysia. One transaction can break it. Learn the RM10,000 rule that many businesses miss, and who it applies to now.Fri, 11 Sep 2026 01:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/e-invoice-threshold-ten-rules/https://ooroboros.com/in-the-loop/e-invoice-threshold-ten-rules/The e-Invoice exemption threshold is now RM3 million. Learn who the exemption covers. Learn the ten rules that businesses above the threshold most often miss.Thu, 03 Sep 2026 00:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/the-second-ledger/https://ooroboros.com/in-the-loop/the-second-ledger/LHDN keeps a record of every validated e-invoice. A published framework now tests your books against that record. Learn what the framework requires, and what to do now.Sat, 15 Aug 2026 00:00:00 GMTe-InvoiceComplianceOperationshttps://ooroboros.com/in-the-loop/the-foundation-is-the-feature/https://ooroboros.com/in-the-loop/the-foundation-is-the-feature/Every company reaches the limit of the systems it did not build correctly. Learn to see this limit early. Learn what a delay costs.Sun, 09 Aug 2026 00:00:00 GMTOperationsSystemsStrategy