MySJ Trace : Should You Enable Or Disable?

Should you enable the new MySJ Trace feature in MySejahtera, or should you disable it?

Let’s take a look at people’s deepest fears about MySJ Trace, and find out what the facts really are!


MySJ Trace : Should You Enable Or Disable?

MySejahtera just introduced a new MySJ Trace feature, which uses Bluetooth technology to track your close contacts.

The proximity data it collects allows Malaysia Ministry of Health (KKM) to accurately determine if you are a close contact of a COVID-19 positive person.

KKM has been strongly urging people to turn it on, but many people are offering conflicting advice on whether to enable or disable it.

Let’s take at what people are saying, and find out what the facts really are!


Should You Enable MySJ Trace?

There are several good reasons to enable MySJ in MySejahtera :

  1. MySJ Trace allows for more accurate contact tracing. If you test positive for COVID-19, the data it collects lets KKM accurately identify your close contacts, and inform them.
  2. MySJ Trace automatically tracks your close contacts. All you have to do is turn it on, and forget about it.
  3. MySJ Trace removes the need to manually check out from locations, which was tedious and easy to forget.
  4. Those who use MySJ Trace will avoid being wrongly identified as casual or close contacts, due to the inaccuracy of using check-in and check-out times.

MySJ Trace gets more accurate and more useful, when more people use it. So KKM is strongly encouraging everyone to use it.

Plus, when enough people start using it, we will all enjoy an additional benefit :

  1. When enough people use MySJ Trace, we will no longer need to check-in at every location!

Read more : What You Need To Know About The New MySJ Trace Feature!
Read more : MySJ Trace : Answers To Your Frequently Asked Questions!


Should You Disable MySJ Trace?

Let’s take a look at some of the reasons why people are disabling MySJ Trace, and see what the facts really are!

Claim #1 : Government Uses MySJ Trace To Track Our Movements
Verdict : False

People are falsely claiming that the Malaysian government will use MySJ Trace to track our movements.

The truth is MySJ Trace does not record or collect geolocation data, so it cannot possibly track your movements.

MySJ Trace also does not transmit data, unless we consent. In fact, we are only asked to transmit MySJ Trace data if we test positive for COVID-19.

Claim #2 : MySJ Trace Not Useful Because No One Is Using It
Verdict : False

Some people are discouraging people from using MySJ Trace because “not many people are using it yet“.

Switching to MySJ Trace immediately helps you by removing the need to check-out of locations. Isn’t that useful?

For healthcare professionals who need to quickly and accurately trace close contacts of infected individuals, MySJ Trace works better when more people use it, but that doesn’t mean it’s completely useless when few people use it.

Claim #3 : Old Check-In, Check-Out System Is More Accurate
Verdict : False

Some people claim that the old method of checking in and out of locations is more accurate than MySJ Trace.

That may be true in the early days, when very few people are using it, but that is no longe true once many of your close contacts are using it.

MySJ Trace not only automatically determines who comes into close contact with you, it also logs how long they are in close contact, and their proximity (distance) to you.

The manual check-in and check-out system is unable to determine time of contact, and distance of contact; and can easily lead to false positives – people wrongly identified as casual or close contacts.

Claim #4 : MySJ Trace Uses A Lot Of Battery Life
Verdict : False

This is a real concern for many people as MySJ Trace requires Bluetooth to be turned on all the time. However, it uses Bluetooth Low Energy technology, which uses very little power.

I had earlier tested MySJ Trace on an old Samsung Galaxy S10 smartphone, and did not notice any noticeable drain on its battery life.

For people who have strong concerns over this aspect, it is possible to temporarily turn off MySJ Trace while you are at home, and only turn it on when you go out.

Claim #5 : Bluetooth Increases Risk Of Hacking
Verdict : Misleading

It is possible for criminals to hack your smartphone using Bluetooth, and it is good cybersecurity practice to turn off wireless connections that you are not using.

However, it is far more difficult to hack you through your Bluetooth connection, than your Wi-Fi connection.

After all, Bluetooth only has a range of 10 metres! The hacker will have to remain in close proximity to hack you.

Claim #6 : Hackers Can Grab Our Personal Information
Verdict : False

Some people are claiming that hackers can hack into MySJ Trace and use it to trawl for personal information of people nearby.

That’s nonsense, because MySJ Trace will only record the following information :

  • Unique User ID (UUID) that is created by the MySejahtera app.
  • Operating system version (Android or iOS)
  • Time of contact
  • Received Signal Strength Indicator (RSSI)

There is no personal information that would be useful to hackers, even if they grab these information.

The UUID, for example, is useless as an identification number without access to the KKM database of MySejahtera users and their personal information.

Claim #7 : MySJ Trace Continuously Uses Internet Data
Verdict : False

Some people are falsely claiming that MySJ Trace continuously uses Internet data, which is extremely limited for some users.

That’s not true. MySJ Trace does not require Internet connectivity, except :

  • when you first download and install MySejahtera,
  • whenever you update MySejahtera
  • when you consent to upload your MySJ Trace data to KKM

Since those are all optional, you can do it when you have access to a Wi-Fi network. You can use MySJ Trace without mobile Internet.

I hope that clarifies the reasons why you should enable or disable MySJ Trace. If you have any other questions, please feel free to ask us.

Meanwhile, I hope you can share this article with your family and friends, and encourage them to turn on MySJ Trace.


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Dr. Adrian Wong has been writing about tech and science since 1997, even publishing a book with Prentice Hall called Breaking Through The BIOS Barrier (ISBN 978-0131455368) while in medical school.

He continues to devote countless hours every day writing about tech, medicine and science, in his pursuit of facts in a post-truth world.


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