* '''1966''' – [[Chia Thye Poh]], aseorang memberahli of theparti [[Barisan Sosialis]], wasditahan detainedtanpa withoutperbicaraan trial forselama 32 yearstahun under thedibawah ISA. HeDia spentmenghabiskan thesembilan lasttahun nineakhirnya yearsdibawah underbeberapa formstahanan ofkurungan housedalam arrestrumah anddan civilsekatan rightsterhadap restrictionshak awamnya, includingtermasuk confinementdikurung on the island ofdi [[pulau Sentosa]].
* '''1987''' – Dalam operasi keselamatan yang bernama [[Operasi Spektrum]], 22 penyokong Gereja Roman Katolik dan hak sosial dan golongan profesional ditahan di bawah ISA. Mereka dituduh menjadi sebahagian daripada konspirasi Marx dan cadangkan penggulungan kerajaan secara paksa dan menggantikannya dengan negara Marksis.
* '''1987''' – In a security operation known as [[Operation Spectrum]], 22 Roman Catholic church and social activists and professionals were detained under the ISA. They were accused of being members of a dangerous Marxist conspiracy bent on subverting the government by force and replacing it with a Marxist state.
* '''DecemberDisember 2001''' – FifteenLima allegedbelas membersahli of thekumpulan [[Jemaah Islamiyah]] (JI) militantditahan groupkerana werepenglibatan arrestedmereka for involvement in thedalam [[Singaporerancangan menyerang embassieskedutaan-kedutaan attackdi plotSingapura]].<ref>{{cite book|title=The Jemaah Islamiyah Arrests and the Threat of Terrorism : White Paper (Cmd. 2 of 2003)|publisher=Ministry of Home Affairs|date=2003|location=Singapore|id=ISBN 9810481640}}The white paper is available on-line from the website of the [http://www2.mha.gov.sg/mha/detailed.jsp?artid=667&type=4&root=0&parent=0&cat=0&mode=arc Ministry of Home Affairs].</ref>
* '''AugustOgos–September 2002''' – AnotherLagi 21 alleged members ofahli JI were arrestedditahan.{{Fact|date=March 2008}}
* '''FebruaryFebruari 2006''' - AllegedKetua JI head [[Mas Selamat bin Kastari]] extraditeddiekstridasi fromdari Indonesia anddan detainedditahan withouttanpa trialperbicaraan underdi thebawah ISA. Dia melarikan Hediri escapeddaripada fromtahanan custodypada inbulan FebruaryFebuari 2008.
