Epsilon

Cole send a new email with the subject
Phase 1 Recruits: ɛ Challenge

Phase 1 Recruits,

Congratulations on your progress so far. Soon we will be opening up Phase 2. In preparation for that, please discuss amongst yourselves and select a candidate from each of the 4 Divisions.

In the meantime, we can use your help in deciphering a strange series of photos sent in to our public contact.

The images are accessible at EPSILONIMAGES. Any information you can figure out will be useful.

-Cole

The same message was added to the Database on the internal website:

Phase 1 Recruits: ɛ Challenge


Record ID: RECRUITP104


Last Update: Nov. 9, 2020, 11 a.m.


Filed by: cjohnson

Phase 1 Recruits,

Congratulations on your progress so far. Soon we will be opening up Phase 2. In preparation for that, please discuss amongst yourselves and select a candidate from each of the 4 Divisions.

In the meantime, we can use your help in deciphering a strange series of photos sent in to our public contact.

The images are accessible at EPSILONIMAGES. Any information you can figure out will be useful.

-Cole

EPSILONIMAGES

The given Record ID leads to a new entry with several images

ɛ Images


Record ID: EPSILONIMAGES


Last Update: Nov. 9, 2020, 11 a.m.


Filed by: cjohnson


image filename location
apple.png apple NYC: 5th Ave & W 25th St
big.png big NYC: 4th Ave & E 12th St
intersection.png intersection NYC: 1st Ave & E 14th St
names.png names Space Needle, Seattle, US
near.png near NYC: 2nd Ave & E 5th St
PVKOWIUCTZD.png PVKOWIUCTZD Eifel tower, Paris, France
the.png the NYC: 3rd Ave & E 23rd St
using.png using YTN Seoul Tower (Namsan Tower), Soul, South Korea
vigenere.png vigenere Coit Tower, San Francisco, US

Solution

Intersections

The intersection images names when sorted by Ave we get:

Intersection near the big apple

Remark: It seems that the puzzle was meant to be solved in the other direction —> First: Find the above right sentence —> Second: Determine that "Intersection.png" belongs to 1st Ave, "near.png" to 2nd Ave and so on. Should be a help in finding the right Intersctions.

The right order of the intersections:

filename Ave St letter
intersection 1st E 14th St 14 = "N"
near 2nd E 5th St 5 = "E"
the 3rd Ave E 23rd St 23 = "W"
big 4th Ave E 12th St 12 = "L"
apple 5th Ave W 25th St 25 = "Y"

Translating the Streets into letters 1 = "A", 2 = "B", … results in

NEWLY

Towers

This leaves the tower images names. Sorting them again into a menaingful sentence

vigenere PVKOWIUCTZD using names

And repetively using the tower names as vigenere keys results in:

PVKOWIUCTZD + COITTOWER (as Key) = NHCVDUYYCXP
NHCVDUYYCXP + NSEOULTOWER (as Key) = APYHJJFKGTY
APYHJJFKGTY + EIFFELTOWER (as Key) = WHTCFYMWKPH
WHTCFYMWKPH + SPACENEEDLE (as Key) = ESTABLISHED

leading to the final phrase:

NEWLY ESTABLISHED

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