diff --git a/crate/diffs/missing_signer_check.diff b/crate/diffs/missing_signer_check.diff
index d6b5f1e..beb3e7f 100644
--- a/crate/diffs/missing_signer_check.diff
+++ b/crate/diffs/missing_signer_check.diff
@@ -15,6 +15,7 @@ diff -r -x Cargo.lock ./insecure/src/lib.rs ../../../../lints/missing_signer_che
 > #[allow(dead_code)]
 > fn main() {}
 Only in ../../../../lints/missing_signer_check/ui/insecure/src: lib.stderr
+Only in ../../../../lints/missing_signer_check/ui: insecure-non-anchor
 diff -r -x Cargo.lock ./recommended/Cargo.toml ../../../../lints/missing_signer_check/ui/recommended/Cargo.toml
 19c19,21
 < anchor-lang = "0.20.0"
@@ -40,8 +41,11 @@ diff -r -x Cargo.lock ./secure/Cargo.toml ../../../../lints/missing_signer_check
 diff -r -x Cargo.lock ./secure/src/lib.rs ../../../../lints/missing_signer_check/ui/secure/src/lib.rs
 1a2
 > use anchor_lang::solana_program::entrypoint::ProgramResult;
-21a23,25
+21a23,27
 > 
+> // This is a false positive as the lint does not check for `is_signer` checks if the
+> // program is an anchor program. The lint should be updated to remove the false positive.
 > #[allow(dead_code)]
 > fn main() {}
 Only in ../../../../lints/missing_signer_check/ui/secure/src: lib.stderr
+Only in ../../../../lints/missing_signer_check/ui: secure-non-anchor
diff --git a/lints/missing_signer_check/Cargo.lock b/lints/missing_signer_check/Cargo.lock
index f3c1575..3d88fd2 100644
--- a/lints/missing_signer_check/Cargo.lock
+++ b/lints/missing_signer_check/Cargo.lock
@@ -1456,6 +1456,7 @@ dependencies = [
  "dylint_testing",
  "if_chain",
  "solana-lints",
+ "solana-program",
 ]
 
 [[package]]
@@ -2036,9 +2037,9 @@ checksum = "e6ecd384b10a64542d77071bd64bd7b231f4ed5940fba55e98c3de13824cf3d7"
 
 [[package]]
 name = "solana-frozen-abi"
-version = "1.18.1"
+version = "1.18.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b24a0e5179387f145afba79d72b27db817cecf1b9494f7cd55d42aa986ed3141"
+checksum = "0e608aeeb42922e803589258af0028e2c9e70fbfb04e1f1ff6c5f07019c2af95"
 dependencies = [
  "block-buffer 0.10.4",
  "bs58 0.4.0",
@@ -2061,9 +2062,9 @@ dependencies = [
 
 [[package]]
 name = "solana-frozen-abi-macro"
-version = "1.18.1"
+version = "1.18.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92970a9898903eb1433d42f53ca4e8f497bc05382b7bc170ea81d4d3c6ff5d58"
+checksum = "1cc7a55ad8a177287f3abb1be371b2a252d4c474d71c2e3983a7dff7db15d3f2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2083,9 +2084,9 @@ dependencies = [
 
 [[package]]
 name = "solana-program"
-version = "1.18.1"
+version = "1.18.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0ce0a1f4487b0b9e5e53610e8c17e558d17069145281aaae9f825bfef84b16e"
+checksum = "91fad730d66a6f33ef5bb180def74a3d84e7487b829a8f67ff58570332481f6c"
 dependencies = [
  "ark-bn254",
  "ark-ec",
@@ -2138,9 +2139,9 @@ dependencies = [
 
 [[package]]
 name = "solana-sdk-macro"
-version = "1.18.1"
+version = "1.18.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3e3cdf8616a66e99343c3f99c39f311b4dc3e13977a4c96d7bbaa82dffd2fc5"
+checksum = "df952c230e35ba179882cef765655b171b8f99f512f04fc4a84800fa43cfe592"
 dependencies = [
  "bs58 0.4.0",
  "proc-macro2",
diff --git a/lints/missing_signer_check/Cargo.toml b/lints/missing_signer_check/Cargo.toml
index 3c2f375..77c59b2 100644
--- a/lints/missing_signer_check/Cargo.toml
+++ b/lints/missing_signer_check/Cargo.toml
@@ -21,6 +21,14 @@ path = "ui/recommended/src/lib.rs"
 name = "secure"
 path = "ui/secure/src/lib.rs"
 
+[[example]]
+name = "insecure-non-anchor"
+path = "ui/insecure-non-anchor/src/lib.rs"
+
+[[example]]
+name = "secure-non-anchor"
+path = "ui/secure-non-anchor/src/lib.rs"
+
 [dependencies]
 anchor-syn = "0.29.0"
 clippy_utils = { git = "https://github.com/rust-lang/rust-clippy", rev = "ac4c2094a6030530661bee3876e0228ddfeb6b8b" }
@@ -31,6 +39,7 @@ solana-lints = { path = "../../crate" }
 [dev-dependencies]
 anchor-lang = "0.29"
 dylint_testing = "2.6"
+solana-program = "1.18.4"
 
 [workspace]
 
diff --git a/lints/missing_signer_check/src/lib.rs b/lints/missing_signer_check/src/lib.rs
index 636a697..3c7d686 100644
--- a/lints/missing_signer_check/src/lib.rs
+++ b/lints/missing_signer_check/src/lib.rs
@@ -117,7 +117,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingSignerCheck {
 /// Return true if any of the expression in body has type `AccountInfo` (`solana_program::account_info::AccountInfo`)
 fn body_uses_account_info<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'tcx>) -> bool {
     visit_expr_no_bodies(body.value, |expr| {
-        let ty = cx.typeck_results().expr_ty(expr);
+        let ty = cx.typeck_results().expr_ty(expr).peel_refs();
         match_type(cx, ty, &paths::SOLANA_PROGRAM_ACCOUNT_INFO)
     })
 }
@@ -181,7 +181,7 @@ fn is_is_signer_use<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> bool {
         if let ExprKind::Field(object, field_name) = expr.kind;
         if field_name.as_str() == "is_signer";
         // type of `x` is AccountInfo
-        let ty = cx.typeck_results().expr_ty(object);
+        let ty = cx.typeck_results().expr_ty(object).peel_refs();
         if match_type(cx, ty, &paths::SOLANA_PROGRAM_ACCOUNT_INFO);
         then {
             true
@@ -307,3 +307,13 @@ fn recommended() {
 fn secure() {
     dylint_testing::ui_test_example(env!("CARGO_PKG_NAME"), "secure");
 }
+
+#[test]
+fn insecure_non_anchor() {
+    dylint_testing::ui_test_example(env!("CARGO_PKG_NAME"), "insecure-non-anchor");
+}
+
+#[test]
+fn secure_non_anchor() {
+    dylint_testing::ui_test_example(env!("CARGO_PKG_NAME"), "secure-non-anchor");
+}
diff --git a/lints/missing_signer_check/ui/insecure-non-anchor/Cargo.toml b/lints/missing_signer_check/ui/insecure-non-anchor/Cargo.toml
new file mode 100644
index 0000000..b9324c3
--- /dev/null
+++ b/lints/missing_signer_check/ui/insecure-non-anchor/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "signer-authorization-insecure-non-anchor"
+version = "0.1.0"
+description = ""
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "lib"]
+name = "signer_authorization_insecure_non_anchor"
+
+[features]
+no-entrypoint = []
+no-idl = []
+no-log-ix-name = []
+cpi = ["no-entrypoint"]
+default = []
+
+[dependencies]
+solana-program = "1.18.4"
+
+[workspace]
diff --git a/lints/missing_signer_check/ui/insecure-non-anchor/src/lib.rs b/lints/missing_signer_check/ui/insecure-non-anchor/src/lib.rs
new file mode 100644
index 0000000..578ed14
--- /dev/null
+++ b/lints/missing_signer_check/ui/insecure-non-anchor/src/lib.rs
@@ -0,0 +1,29 @@
+use solana_program::msg;
+use solana_program::{
+    account_info::{next_account_info, AccountInfo},
+    entrypoint,
+    entrypoint::ProgramResult,
+    program_error::ProgramError,
+    pubkey::Pubkey,
+};
+
+entrypoint!(process_instruction);
+fn process_instruction(
+    _program_id: &Pubkey,
+    accounts: &[AccountInfo],
+    instruction_data: &[u8],
+) -> ProgramResult {
+    if instruction_data.len() != 0 {
+        return Err(ProgramError::InvalidInstructionData);
+    }
+    log_message(accounts)
+}
+
+pub fn log_message(accounts: &[AccountInfo]) -> ProgramResult {
+    let authority = next_account_info(&mut accounts.iter())?;
+    msg!("GM {:?}", authority);
+    Ok(())
+}
+
+#[allow(dead_code)]
+fn main() {}
diff --git a/lints/missing_signer_check/ui/insecure-non-anchor/src/lib.stderr b/lints/missing_signer_check/ui/insecure-non-anchor/src/lib.stderr
new file mode 100644
index 0000000..0581054
--- /dev/null
+++ b/lints/missing_signer_check/ui/insecure-non-anchor/src/lib.stderr
@@ -0,0 +1,15 @@
+error: this function lacks a use of `is_signer`
+  --> $DIR/lib.rs:22:1
+   |
+LL | / pub fn log_message(accounts: &[AccountInfo]) -> ProgramResult {
+LL | |     let authority = next_account_info(&mut accounts.iter())?;
+LL | |     msg!("GM {:?}", authority);
+LL | |     Ok(())
+LL | | }
+   | |_^
+   |
+   = note: `-D missing-signer-check` implied by `-D warnings`
+   = help: to override `-D warnings` add `#[allow(missing_signer_check)]`
+
+error: aborting due to 1 previous error
+
diff --git a/lints/missing_signer_check/ui/insecure/src/lib.stderr b/lints/missing_signer_check/ui/insecure/src/lib.stderr
index ef7baf6..b55affc 100644
--- a/lints/missing_signer_check/ui/insecure/src/lib.stderr
+++ b/lints/missing_signer_check/ui/insecure/src/lib.stderr
@@ -1,11 +1,10 @@
-error: this function lacks a use of `is_signer`
-  --> $DIR/lib.rs:10:5
+error: Account `authority` might need to be a signer
+  --> $DIR/lib.rs:18:5
    |
-LL | /     pub fn log_message(ctx: Context<LogMessage>) -> ProgramResult {
-LL | |         msg!("GM {}", ctx.accounts.authority.key().to_string());
-LL | |         Ok(())
-LL | |     }
-   | |_____^
+LL | pub struct LogMessage<'info> {
+   |            ---------- Accounts of this instruction
+LL |     authority: AccountInfo<'info>,
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: `-D missing-signer-check` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(missing_signer_check)]`
diff --git a/lints/missing_signer_check/ui/secure-non-anchor/Cargo.toml b/lints/missing_signer_check/ui/secure-non-anchor/Cargo.toml
new file mode 100644
index 0000000..7a777ca
--- /dev/null
+++ b/lints/missing_signer_check/ui/secure-non-anchor/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "signer-authorization-secure-non-anchor"
+version = "0.1.0"
+description = ""
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "lib"]
+name = "signer_authorization_secure_non_anchor"
+
+[features]
+no-entrypoint = []
+no-idl = []
+no-log-ix-name = []
+cpi = ["no-entrypoint"]
+default = []
+
+[dependencies]
+solana-program = "1.18.4"
+
+[workspace]
diff --git a/lints/missing_signer_check/ui/secure-non-anchor/src/lib.rs b/lints/missing_signer_check/ui/secure-non-anchor/src/lib.rs
new file mode 100644
index 0000000..6894cc1
--- /dev/null
+++ b/lints/missing_signer_check/ui/secure-non-anchor/src/lib.rs
@@ -0,0 +1,32 @@
+use solana_program::msg;
+use solana_program::{
+    account_info::{next_account_info, AccountInfo},
+    entrypoint,
+    entrypoint::ProgramResult,
+    program_error::ProgramError,
+    pubkey::Pubkey,
+};
+
+entrypoint!(process_instruction);
+fn process_instruction(
+    _program_id: &Pubkey,
+    accounts: &[AccountInfo],
+    instruction_data: &[u8],
+) -> ProgramResult {
+    if instruction_data.len() != 0 {
+        return Err(ProgramError::InvalidInstructionData);
+    }
+    log_message(accounts)
+}
+
+pub fn log_message(accounts: &[AccountInfo]) -> ProgramResult {
+    let authority = next_account_info(&mut accounts.iter())?;
+    if !authority.is_signer {
+        return Err(ProgramError::MissingRequiredSignature);
+    }
+    msg!("GM {:?}", authority);
+    Ok(())
+}
+
+#[allow(dead_code)]
+fn main() {}
diff --git a/lints/missing_signer_check/ui/secure-non-anchor/src/lib.stderr b/lints/missing_signer_check/ui/secure-non-anchor/src/lib.stderr
new file mode 100644
index 0000000..e69de29
diff --git a/lints/missing_signer_check/ui/secure/src/lib.rs b/lints/missing_signer_check/ui/secure/src/lib.rs
index 8181675..f2fb800 100644
--- a/lints/missing_signer_check/ui/secure/src/lib.rs
+++ b/lints/missing_signer_check/ui/secure/src/lib.rs
@@ -21,5 +21,7 @@ pub struct LogMessage<'info> {
     authority: AccountInfo<'info>,
 }
 
+// This is a false positive as the lint does not check for `is_signer` checks if the
+// program is an anchor program. The lint should be updated to remove the false positive.
 #[allow(dead_code)]
 fn main() {}
diff --git a/lints/missing_signer_check/ui/secure/src/lib.stderr b/lints/missing_signer_check/ui/secure/src/lib.stderr
index e69de29..a7ad211 100644
--- a/lints/missing_signer_check/ui/secure/src/lib.stderr
+++ b/lints/missing_signer_check/ui/secure/src/lib.stderr
@@ -0,0 +1,13 @@
+error: Account `authority` might need to be a signer
+  --> $DIR/lib.rs:21:5
+   |
+LL | pub struct LogMessage<'info> {
+   |            ---------- Accounts of this instruction
+LL |     authority: AccountInfo<'info>,
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `-D missing-signer-check` implied by `-D warnings`
+   = help: to override `-D warnings` add `#[allow(missing_signer_check)]`
+
+error: aborting due to 1 previous error
+