Triple murderer Erin Patterson will have maximum security in jail due to risks from other prisoners.

The 50-year-old's been jailed for life with a non-parole period of 33 years, after feeding her in-laws beef Wellingtons laced with poisonous death cap mushrooms in 2023.

Patterson's also been sentenced for the attempted murder of the sole survivor of the lunch - Ian Wilkinson.

Australia correspondent Oliver Peterson says Patterson faces 22 hours of solitary confinement a day for the next three decades.

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