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IRS Proposed Regulations on Clean Fuel Production Credit

The IRS has issued proposed regulations concerning the Section 45Z Clean Fuel Production Credit, which applies to clean transportation fuel produced domestically after December 31, 2024. These regulations address eligibility, emissions rates, and claim filing for domestic fuel producers and credit claimants.

NCSC Advises UK Organizations on Middle East Conflict Cyber Threats

The UK's National Cyber Security Centre (NCSC) has issued an alert advising UK organizations to review their cybersecurity posture due to the evolving conflict in the Middle East. The advisory highlights a heightened risk of indirect cyber threats and encourages organizations to implement enhanced monitoring and review their external attack surface.

NCSC Warns of Hacktivist DoS Attacks on UK Organisations

The UK's National Cyber Security Centre (NCSC) has issued a warning regarding persistent denial of service (DoS) attacks by Russian-aligned hacktivist groups targeting UK organisations, particularly local government and critical infrastructure operators. The NCSC urges organisations to review their cyber defences and resilience measures.

NCSC: Pro-Russia Hacktivists Target UK Organisations with DDoS Attacks

The UK's National Cyber Security Centre (NCSC) has issued guidance warning that pro-Russia hacktivist groups, particularly NoName057(16), continue to target UK organisations with DDoS attacks. The NCSC urges local government and critical infrastructure operators to review and harden their denial-of-service defences.

Siemens SIDIS Prime Vulnerabilities Advisory

CISA has issued an advisory regarding multiple vulnerabilities in Siemens SIDIS Prime versions prior to V4.0.800, affecting components like OpenSSL, SQLite, and Node.js packages. Siemens recommends updating to the latest version to address these high-severity issues.

Siemens RUGGEDCOM APE1808 Devices Vulnerabilities

CISA has issued an advisory regarding multiple vulnerabilities affecting Siemens RUGGEDCOM APE1808 devices. These vulnerabilities, related to HTTP request smuggling and authentication bypass, have been assigned high CVSS scores. Siemens recommends updating to the latest version to address these security risks.

Siemens Heliox EV Chargers Vulnerability Advisory

CISA has issued an advisory regarding a vulnerability in Siemens Heliox EV Chargers that could allow unauthorized access. Siemens has released updated versions and recommends immediate updates to mitigate the risk.

IRS Seeks Comments on Taxpayer Burden Surveys

The Internal Revenue Service (IRS) has published a notice in the Federal Register seeking public comments on its taxpayer burden surveys. The comment period is open until May 11, 2026. This action is part of the IRS's ongoing efforts to assess and potentially reduce the burden on taxpayers.

IRS Form 8703 Comment Request

The Internal Revenue Service (IRS) has published a notice requesting public comments on Form 8703. The comment period is open until May 11, 2026, allowing stakeholders to provide input on the information collection activity.

IRS Form 8233 Comment Request

The Internal Revenue Service (IRS) is requesting public comments on Form 8233, which relates to exemption from withholding. The comment period closes on May 11, 2026.