What are common examples of suspicious activity?

Asked by: Otto Christiansen  |  Last update: June 27, 2026
Score: 5/5 (35 votes)

Suspicious activity includes behaviors indicating potential criminal acts, such as unauthorized surveillance, testing security, probing infrastructure, and unusual loitering. Key indicators include unattended packages, stolen uniforms/badges, unexpected, and detailed questioning about security systems.

What are some examples of suspicious activity?

Suspicious behavior or activity can be any action that is out of place and does not fit into the usual day-to-day activity of our campus community. For example, someone looks into multiple vehicles or homes or tests to see if they are unlocked.

What counts as suspicious activity?

Suspicious activity is any behavior or situation that seems unusual, out of place, or potentially harmful, indicating possible criminal planning like terrorism, fraud, or theft, but it's crucial to focus on actions, not appearance. Examples include unusual surveillance (photography, asking probing questions), testing security, stockpiling supplies, unattended packages, or vehicles lingering in odd locations, but it's up to law enforcement to determine if it warrants action. 

Which of the following is considered suspicious activity?

Suspicious activity can refer to any incident, event, behavior, or activity that seems unusual or out of place. Terrorists and criminals often conduct specific activities as they plan a bombing attack.

How are suspicious activity reports most commonly made?

Suspicious Activity Reports should be submitted using the SAR Portal. The SAR Portal is the most secure and efficient way to submit a SAR. You will receive an acknowledgement and reference number following submission, and reports can be made 24/7.

What Are Common Examples Of Suspicious Activity? - SecurityFirstCorp.com

15 related questions found

What is the red flag of suspicious activity?

In Anti-Money Laundering (AML), a 'red flag' is a term used to denote a warning sign that suggests potential criminal activity, such as money laundering. It's a signal that alerts both businesses and law enforcement agencies to transactions that may be suspicious.

What all can be included under suspicious activities?

Suspicious activity is any behavior or situation that seems unusual, out of place, or potentially harmful, indicating possible criminal planning like terrorism, fraud, or theft, but it's crucial to focus on actions, not appearance. Examples include unusual surveillance (photography, asking probing questions), testing security, stockpiling supplies, unattended packages, or vehicles lingering in odd locations, but it's up to law enforcement to determine if it warrants action. 

What triggers a suspicious activity report?

They use SARs to notify FinCEN when they detect unusual transactions that might involve money laundering, terrorist financing, or other suspicious behavior. SARs must be filed within specific timelines, and the information is kept confidential to protect the investigation and the reporting institution.

Can you give an example with suspicious?

His manner made me suspicious. Officials are suspicious about her death. The suspicious vehicle was reported to police. We were instructed to report any suspicious activity in the neighborhood.

What items are considered suspicious?

A suspicious item is any item (e.g., bag, package, vehicle, etc.) that is reasonably believed to contain explosives, an improvised explosive device (IED), or other hazardous material that requires a bomb technician and/or specialized equipment to further evaluate it.

What do banks flag as suspicious activity?

Examples of suspicious activity include: Unusual Large Business Deposits of Cash: Large amounts of cash regularly deposited into an account for a company that is not normally a cash business.

How to detect suspicious activity?

We'll inform you of unusual activity through:

  1. A notification about an unusual sign-in or a new device on your account.
  2. A notification that there was a change to your username, password, or other security settings, and you didn't make the change.
  3. A notification about some other activity you don't recognize.

What do police consider suspicious activity?

Anything that seems even slightly “out of place” in your area for the time of day during which it typically occurs may mean criminal activity. Some of the most obvious signs to watch for and report include: ◆ A call for help. The sound of breaking glass or other loud explosive noises.

What are the two categories of suspicious activity?

A suspicious activity report (SAR) is a disclosure made to the National Crime Agency (NCA) about known or suspected:

  • money laundering – under part 7 of the Proceeds of Crime Act 2002 (POCA)
  • terrorist financing – under part 3 of the Terrorism Act 2000 (TACT)

What are examples of suspicious activity?

Consider The Following Activities As Suspicious

  • A person or vehicle stays in the same place for an unusual length of time.
  • A parked car with the engine running.
  • A person behaves strangely or exhibits unusual movements.
  • A person concealing an object or carrying a weapon.

What are 5 examples of sentences?

Simple sentences in the Present Simple Tense

  • I'm happy.
  • She exercises every morning.
  • His dog barks loudly.
  • My school starts at 8:00.
  • We always eat dinner together.
  • They take the bus to work.
  • He doesn't like vegetables.
  • I don't want anything to drink.

What counts as suspicious behavior?

Suspicious behavior means actions or situations that are unusual, out of place, and may signal potential criminal activity, terrorism, or security threats, involving things like loitering, casing locations, asking probing security questions, casing vehicles, or exhibiting extreme nervousness and evasion. It's about recognizing when someone's actions don't fit the normal environment or activity, allowing for early reporting to prevent incidents like theft, violence, or attacks, notes CISA, the U.S. Department of Homeland Security, and the University of Michigan. 

Which of the following activities are suspicious?

Understanding Suspicious Activity

Sudden and unexplained large cash deposits or withdrawals. Frequent transactions that avoid reporting thresholds. Unusual behavior of customers, such as reluctance to provide information or use of false information.

What are the three types of frauds?

Three major categories of fraud, especially in business, are asset misappropriation, bribery and corruption, and financial statement fraud, but other common types for individuals include identity theft, credit card fraud, and investment scams, often involving first-party (consumer) or third-party (impersonation) tactics. Fraud types can also be categorized by the parties involved: first-party (you against a company), second-party (someone you know), and third-party (stranger impersonating someone else).

How does a person file a suspicious activity report?

You have 30 calendar days to file a SAR after becoming aware of any suspicious transaction that is required to be reported. 1. Record relevant information on a Suspicious Activity Report by MSB (SAR-MSB) form available at www.msb.gov or by calling the IRS Forms Distribution Center: 1-800-829-3676.

Which of the following would be considered suspicious activity?

An oddly parked car or van left unattended for an extended period: A vehicle that seems out of place and parked without a clear purpose can be a potential sign of a threat. Someone who appears to be checking doors or trying to access unauthorized areas: This directly shows intent to trespass or commit a crime.

What counts as suspicious behaviour?

Examples of suspicious activity might include: Someone who you may consider to be a trespasser. Scoping out addresses. Conducting occupancy checks prior to a burglary.