List Of Marine Security Advisories by Date
18 September 2026
Marine Security Advisory 09/2026
LISCR Marine Security Advisories by Date
Security Advisory | Subject | Emailed & Published |
10/2022 Rev.1 Dated October 08, 2026 | Security situation in the Black Sea and the Azov Sea (Supersedes Marine Security Advisory 10/2022) | October 08, 2026 |
02/2020 Rev.2 Dated September 18, 2026 | Maritime Cyber Risk Management in Safety Management Systems | September 18, 2026 |
09/2023-Rev.14 Dated September 02, 2026 | Security Situation in the Red Sea and Gulf of Aden (Supersedes Marine Security Advisory 08/2023) | September 02, 2026 |
02/2026 Dated June 15, 2026 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures (Supersedes Marine Security Advisory 01/2025) | June 15, 2026 |
03/2025/Rev.4 Dated March 01, 2026 | Security situation in the Arabian Gulf, Straits of Hormuz, Gulf of Oman and North Arabian Sea (Supersedes Marine Security Advisory 03/2025/Rev.3) | March 01, 2026 |
09/2023-Rev.13 Dated February 28, 2026 | Security Situation in the Red Sea, Gulf of Aden and North Arabian Sea (Supersedes Marine Security Advisory 09/2023/Rev.12) | February 28, 2026 |
03/2025/Rev.3 Dated February 28, 2026 | Security situation in the Arabian Gulf, Straits of Hormuz, Gulf of Oman and North Arabian Sea Superseded (Supersedes Marine Security Advisory 03/2025/Rev.2) | February 28, 2026 |
01/2026 Dated January 08, 2026 | Security Situation in the Caribbean Sea | January 08, 2026 |
09/2023/Rev.12 Dated December 22, 2025 | Security Situation in the Red Sea and Gulf of Aden Superseded by 09/2023-Rev. 13/Archived (Supersedes Marine Security Advisory 08/2023) | December 22, 2025 |
04/2025 Dated August 27, 2025 | Turkish Maritime Authorities’ Implementation Principles regarding Maritime Transportation Between Israeli-Flagged and Affiliated Vessels and Türkiye | August 27, 2025 |
02/2020 Rev.1 Dated August 11, 2025 | Maritime Cyber Risk Management in Safety Management Systems Supersedes Marine Security Advisory 02/2020 | August 11, 2025 |
As of October 2026
LISCR, LLC
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Phone: + 703-790-3434
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09/2023/Rev.11 Dated July 14, 2025 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 12/Archived (Supersedes Marine Security Advisory 08/2023 and Supplements Revokes Marine Security Advisory 02/2018) | July 14, 2025 |
09/2023/Rev.10 Dated July 08, 2025 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 11/Archived (Supersedes Marine Security Advisory 08/2023 and Supplements Marine Security Advisory 01/2023/Rev.1) | July 08, 2025 |
03/2025/Rev.2 Dated June 25, 2025 | Security situation in the Arabian Gulf, Straits of Hormuz and Gulf of Oman Superseded by 03/2025/Rev.3/Archived (Supersedes Marine Security Bulletin 04/2025) (Supersedes Marine Security Advisory – 03/2025/Rev.1) | June 25, 2025 |
03/2025/Rev.1 Dated June 23, 2025 | Security situation in the Arabian Gulf, Straits of Hormuz and Gulf of Oman (Superseded by Marine Security Advisory – 03/2025/Rev.2) (Supersedes Marine Security Bulletin 04/2025) (Supersedes Marine Security Advisory – 03/2025) | June 23, 2025 |
03/2025 Dated June 17, 2025 | Security situation in the Arabian Gulf, Straits of Hormuz and Gulf of Oman (Superseded by Marine Security Advisory – 03/2025/Rev.1) (Supersedes Marine Security Bulletin 04/2025) | June 17, 2025 |
09/2023/Rev.9 Dated May 20, 2025 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 10/Archived (Supersedes Marine Security Advisory 08/2023 and Supplements Marine Security Advisory 01/2023/Rev.1) | May 20, 2025 |
02/2025 Dated May 08, 2025 | Security Situation in the Northeastern Arabian Sea | May 08, 2025 |
09/2023/Rev.8 Dated May 05, 2025 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 9/Archived (Supersedes Marine Security Advisory 08/2023 and Supplements Marine Security Advisory 01/2023/Rev.1) | May 05, 2025 |
06/2023/Rev.1 Dated May 05, 2025 | Advisory for Liberian flagged vessels transiting waters from the Indian Ocean to North Asia to North Australia This Security Advisory supersedes Marine Security Advisories 06/2023 | May 05, 2025 |
01/2023/Rev.1 Dated May 05, 2025 | Removal of the Indian Ocean High Risk Area (HRA) (This Security Advisory supersedes Marine Security Advisories 01/2023, 11/2022 and 03/2021) | May 05, 2025 |
01/2025 Dated March 27, 2025 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by 02/2026 Supersedes Marine Security Advisory 02/2023 | March 27, 2025 |
09/2023-Rev. 7 Dated March 12, 2025 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 8/Archived Supersedes Marine Security Advisory 09/2023-Rev. 6 Supersedes Marine Security Advisory 08/2023 and Supplements Marine Security Advisory 01/2023) | March 12, 2025 |
09/2023-Rev. 6 Dated October 16, 2024 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 7 /Archived Supersedes Marine Security Advisory 09/2023-Rev. 5 and supplements Marine Security Advisory 01/2023 | October 16, 2024 |
09/2023-Rev. 5 Dated February 12, 2024 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 6/Archived Supersedes Marine Security Advisory 08/2023 and supplements Marine Security Advisory 01/2023 | February 12, 2024 |
09/2023-Rev. 4 Dated January 22, 2024 | Security Situation in the Red Sea, Gulf of Aden and Arabian Sea Superseded by 09/2023-Rev. 5/Archived Supersedes Marine Security Advisory 08/2023 and supplements Marine Security Advisory 01/2023 | January 22, 2024 |
08/2023 Dated December 15, 2023 | Security Situation in the Southern Red Sea and Gulf of Aden Superseded by Marine Security Advisory 09/2023 | December 15, 2023 |
07/2023 Dated December 08, 2023 | Security Situation in Israel Ports and Territorial Waters Supersedes Marine Security Advisory 05/2023 Supersedes Marine Security Advisory 08/2023 and supplements Marine Security Advisory 01/2023 | December 08, 2023 |
06/2023 Dated October 19, 2023 | Advisory for Liberian flagged vessels transiting waters from the Indian Ocean to North Asia to North Australia Superseded by Marine Security Advisory 06/2023/Rev.1/Archived | October 19, 2023 |
05/2023 Dated October 13, 2023 | Security Situation in Israel Ports and Territorial Waters Superseded by Marine Security Advisory 07/2023 | October 13, 2023 |
04/2023 Dated October 03, 2023 | Usage of Thuraya, Iridium and other such Satellite Communication Equipment in Indian Waters. Supersedes Marine Operations Note 03/2012 | October 03, 2023 |
03/2023 Dated June 01, 2023 | Gulf of Guinea-Piracy/Armed Robbery/Kidnapping for Ransom, and Reporting of Incidents Supersedes Marine Security Advisory 01/2022 | June 01, 2023 |
02/2023 Dated April 11, 2023 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 01/2025 Supersedes Marine Security Advisory 01/2018 | April 11, 2023 |
01/2023 Dated February 09, 2023 | Removal of the Indian Ocean High Risk Area (HRA) Superseded by 01/2023-Rev. 1/Archived Supplemented by Marine Security Advisory 09/2023-Rev. 7 Supersedes Marine Security Advisories 11/2022 and 03/2021 | February 09, 2023 |
11/2022 Dated January 03, 2022 | Removal of the Indian Ocean High Risk Area (HRA) Superseded by Marine Security Advisory 01/2023 | January 03, 2022 |
10/2022 Dated August 10, 2022 | Security Situation in The Black Sea and The Azov Sea Superseded by 10/2022-Rev. 1 Supersedes Marine Security Advisory 08/2022 | August 10, 2022 |
09/2022 Dated June 02, 2022 | Use of Private Marine Security Companies (PMSC) Providing Privately Contracted Armed and Unarmed Security Personnel Onboard on Liberian Registered Ships. This Advisory Supersedes Marine Security Advisory03/2011 | June 02, 2022 |
08/2022 Dated May 26, 2022 | Security Situation in The Black Sea and The Azov Sea Superseded by Marine Security Advisory 10/2022 Supersedes Marine Security Advisory 07/2022 | May 26, 2022 |
07/2022 Dated April 5, 2022 | Security Situation in The Black Sea and The Azov Sea Superseded by Marine Security Advisory 08/2022 | April 5, 2022 |
06/2022 Dated March 03, 2022 | Security situation in the Black Sea and the Azov Sea Superseded by Marine Security Advisory 07/2022 | March 03, 2022 |
05/2022 March 02, 2022 | Security situation in the Black Sea and the Azov Sea Superseded by Marine Security Advisory 06/2022 | March 02, 2022 |
04/2022 February 28, 2022 | Security situation in the Black Sea and the Azov Sea Superseded by Marine Security Advisory 05/2022 | February 28. 2022 |
03/2022 Dated February 25, 2022 | Security situation in the Black Sea and the Azov Sea Superseded by Marine Security Advisory 04/2022 | February 25, 2022 |
02/2022 Dated February 24, 2022 | Security situation in the Black Sea and the Azov Sea Superseded by Marine Security Advisory 03/2022 | February 24, 2022 |
01/2022 Dated January 26, 2022 | Gulf of Guinea-Piracy/Armed Robbery/Kidnapping for Ransom, and Reporting of Incidents Superseded by Marine Security Advisory 03/2023 | January 26, 2022 |
04/2021 Dated December 21, 2021 | Gulf of Guinea-Piracy/Armed Robbery/Kidnapping for Ransom, and Reporting of Incidents This Security Advisory Supplements Security Advisory 01/2021 | December 21, 2021 |
03/2021 Dated September 3, 2021 | Security Level II - For Vessels Transiting the HRA Southern Red Sea, Gulf of Aden, Indian Ocean and Arabian Sea Superseded by Marine Security Advisory 01/2023 This Security Advisory Supplements Marine Security Advisory 01/2019 | September 3, 2021 |
02/2021 Dated April 29, 2021 | Interim Guidance on the use of Privately Contracted Armed Security Personnel on Board Ships in the Gulf of Guinea | April 29, 2021 |
01/2021 Dated January 14, 2021 | Gulf of Guinea-Piracy/Armed Robbery/Kidnapping for Ransom, and Reporting of Incidents Superseded by Marine Security Advisory 04/2021 This Advisory supersedes Marine Security Advisory 05/2016 & 04/2017 | January 14, 2021 |
02/2020 Dated December 29, 2020 | Maritime Cyber Risk Management in Safety Management Systems Superseded by Marine Security Advisory 02/2020 Rev.1 | December 29, 2020 |
01/2020 Dated July 23. 2020 | Human Trafficking in the Andaman Sea, Northern Part of Straits of Malacca, Including Coastal Areas Off Bangladesh/Off Myanmar | July 23, 2020 |
03/2019 Dated July 29, 2019 | Attacks, hijackings, and kidnappings in the Sulu and Celebes Seas | July 29, 2019 |
02/2019 Dated June 18, 2019 | Maritime Cyber Risk Management Revoked This Advisory supersedes Marine Security Advisory 07/2017 | June 18, 2019 |
01/2019 Dated 01 May, 2019 | SECURITY LEVEL II - FOR VESSELS TRANSITING THE HRA SOUTHERN RED SEA, GULF of ADEN, INDIAN OCEAN and ARABIAN SEA Superseded by Marine Security Advisory 03/2021 This Marine Advisory Supplements Marine Advisory 04/2018 | May 1, 2019 |
04/2018 Dated 31 July, 2018 | NEW SECURITY GUIDANCE – Anti-Piracy, BMP5, and GCPG This Marine Advisory supersedes Marine Advisory 05/2015 | July 31, 2018 |
03/2018 Dated 09 March, 2018 | Industry Releasable Threat Assessment (IRTA) | March 9, 2018 |
02/2018 Dated 02 February, 2018 | Republic of Yemen Territorial Waters and Ports (Revoked See Marine Security Advisory – 09/2023-Rev.11) This Marine Advisory supersedes Marine Advisory 01/2017 | `February 2, 2018 |
01/2018 Dated 05 January, 2018 | U.S. Coast Guard Revises Security Advisory regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 02/2023 This Marine Advisory supersedes Marine Advisory 05/2017 | January 5, 2018 |
07/2017 Dated 21 December, 2017 | Maritime Cyber Risk Management Superseded by Marine Security Advisory 02/2019 This Marine Advisory supersedes Marine Advisory 04/2016 | December 21, 2017 |
06/2017 Dated 25 September, 2017 | Combined Maritime Forces – Maritime Security Transit Corridor | October 25, 2017 |
05/2017 Dated 20 September, 2017 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 01/2018 | September 21, 2017 |
04/2017 Dated 31 August, 2017 | Reporting of incidents of piracy and armed robbery against ships in the Gulf of Guinea Superseded by Marine Security Advisory 01/2021 | August 31, 2017 |
03/2017 Dated 25 August, 2017 | Enhanced security measures for vessels transiting the Singapore Straits, Malacca Straits, the waters off Mangkai & the Anambas islands in the South China Sea and operating in the coastal waters of Malaysia and Indonesia This Marine Advisory supersedes Marine Advisory 04/2014 | August 29, 2017 |
02/2017 Dated 14 April, 2017 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 05/2017 This Marine Security Advisory supersedes Marine Security Advisory 1/2016 | April 14, 2017 |
01/2017 Dated 17 February, 2017 | Republic of Yemen Territorial Waters and Ports Superseded by Marine Security Advisory 02/2018 This Marine Security Advisory supersedes Marine Advisory 2/2016 | February 17, 2017 |
05/2016 Dated 24 August, 2016 | Guidelines for protection against piracy in the Gulf of Guinea region Superseded by Marine Security Advisory 01/2021 | August 24, 2016 |
04/2016 Dated 12 July, 2016 | The Guidelines on Cyber Security onboard Ships Superseded by Marine Security Advisory 02/2019 Superseded by Marine Security Advisory 07/2017 | July 12, 2016 |
03/2016 Dated: 17 June, 2016 | Launching and flying Drones/Model Aircrafts from vessels | June 20, 2016 |
02/2016 Dated 18 May, 2016 | Republic of Yemen Territorial Waters and Ports Supersedes Marine Security Advisory 04/2013 Superseded by Marine Security Advisory01/2017 | May 18, 2016 |
01/2016 Dated 05 April, 2016 | U.S. Coast Guard Revises Security Advisory Regarding Ports not Maintaining Effective Anti-Terrorism Measure Superseded by Marine Security Advisory 02/2017 Supersedes Marine Security Advisory 03/2015 | April 5, 2016 |
05/2015 Dated 03 December, 2015 | Revised High Risk Area – Vessels Transiting The Red Sea, Gulf of Aden, Western Indian Ocean, Arabian Sea and Gulf of Oman Superseded by Marine Security Advisory 04/2018 | December 7, 2015 |
04/2015 Dated 23 June, 2015 | LIBYA This Marine Security Advisory supersedes Marine Security Advisory 01/2015 | June 23, 2015 |
03/2015 Dated 23 June, 2015 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 01/2016 This Marine Security Advisory supersedes Marine Security Advisory 02/2015 | June 23, 2015 |
02/2015 Date 15 April 2015 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 03/2015 This Marine Security Advisory supersedes Marine Security Advisory 02/2014 and 06/2014 | April 15, 2015 |
01/2015 Dated 12 Jan. 2015 | Vessel Security in Libyan Waters andPort Superseded by Marine Security Advisory 04/2015 | January 12, 2014 |
06/2014 Dated 06 Oct. 2014 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 02/2015 This Marine Security Advisory supersedes Marine Security Advisory 03/2014 | October 6, 2014 |
05/2014 Dated 14 Aug. 2014 | Guidelines for protection against armed robbery and piracy in the Gulf of Guinea region and Reporting tothe Maritime Trade Information Sharing Centre GulfGuinea (MTISC – GoG) Revoked | August 14,2014 Revoked June 2016 |
04/2014 Dated 11 July 2014 | Enhanced security measures for vessels transiting the Singapore Straits, Malacca Straits, the waters off Mangkai & the Anambas islands in the South China Sea and operating in the coastal waters of Malaysia and Indonesia Superseded by Marine Security Advisory 03/2017 | July 11, 2014 |
03/2014 Dated 08 July 2014 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 06/2014 This Marine Security Advisory supersedes Marine Security Advisory 05/2013 | July 8, 2014 |
02/2014 Dated 08 July 2014 | The U.S. Coast Guard is issuing an updated Port Security Advisory for Libya Superseded by Marine Security Advisory 02/2015 | July 8, 2014 |
01/2014 Dated 20 Feb. 2014 | Interim Guidelines for protection against piracy in the Gulf of Guinea region Revoked | February 20, 2014 |
Revoked June 2016 | ||
05/2013 Dated 03 Dec. 2013 | U.S. Coast Guard Revises Security Advisory Regarding Ports Not Maintaining Effective Anti-Terrorism Measures Superseded by Marine Security Advisory 03/2014 This Marine Security Advisory supersedes Marine Security Advisory 05/2012 | December 3, 2013 |
04/2013 Dated 12 Aug. 2013 | Increased Ship Security Levels for Republic of Yemen Territorial Waters and Ports Superseded by 02/2016 This Marine Security Advisory supersedes Marine Security Advisory 03/2013 | August 12, 2013 |
03/2013 Dated 07 Aug. 2013 | Increased Ship Security Levels for Republic of Yemen Territorial Waters and Ports See Marine Advisory 04/2013 | August 7, 2013 |
02/2013 Dated 04 Jan. 2013 | Interim Guidelines for protection against piracy in the Gulf of Guinea region Revoked | January 4,2013 Revoked June 2016 |
01/2013 Dated 04 Jan. 2013 | Guidelines for implementation of Best Management Practices and other Security Provisions relating topiracy and armed robbery Superseded by Marine Security Advisory 04/2018 | January 4, 2013 |

