Google image search reveals a screenshot of a tweet by Jack Ma containing the image. If we go onto his profile and find the tweet. Using Ctrl-F through the replies, we find this comment of a reporter asking where the flight is headed, mentioning they're from San Francisco.

Flag: csictf{san_francisco}

I love this watch. It's been with me all over the world, from Istanbul to Shanghai
to Macau. I wear it with suits quite a lot. My boss liked it too. I remember
wearing it when she died. What is her successor's name?

I googled some of the keywords from the challenge brief

istanbul shanghi macau suits

In the results pictures of James Bond showed up, James Bond's most recent boss (known as M) is called Gareth Mallory.

Flag: csictf{gareth_mallory}

Good old Ironstone found the picture in this tweet. The comments mention that Arunopal Banerjee is the actual photographer; visiting the instagram account we find the picture posted, and the flag is in the comments.

Flag: csictf{pl4g14r1sm_1s_b4d}

We see two repositories, one called SomethingFishy. Fishy it looks indeed.

A quick glance inside this repo reveals nothing. However considering the title, Commitment, maybe there is a commit somewhere with the flag.

We can see that there are two branches - master and dev. Upon clicking compare, we see that there have indeed been many changes to this repo.

Scrolling through these, you will find the flag in index.js, which was deleted.

The contents of index.js are as follows:

Flag: csictf{sc4r3d_0f_c0mm1tm3nt}