personton.pages.dev Open in urlscan Pro
2a06:98c1:3121::3  Malicious Activity! Public Scan

URL: https://personton.pages.dev/
Submission: On June 23 via api from JP — Scanned from NL

Summary

This website contacted 7 IPs in 3 countries across 6 domains to perform 12 HTTP transactions. The main IP is 2a06:98c1:3121::3, located in United States and belongs to CLOUDFLARENET, US. The main domain is personton.pages.dev.
TLS certificate: Issued by E1 on June 22nd 2023. Valid for: 3 months.
This is the only time personton.pages.dev was scanned on urlscan.io!

urlscan.io Verdict: Potentially Malicious

Targeting these brands: IRS (Government)

Domain & IP information

IP Address AS Autonomous System
1 2a06:98c1:312... 13335 (CLOUDFLAR...)
4 2a02:26f0:310... 20940 (AKAMAI-ASN1)
2 20.49.214.253 8075 (MICROSOFT...)
1 2600:1401:400... 20940 (AKAMAI-ASN1)
1 2600:1401:400... 20940 (AKAMAI-ASN1)
1 2606:2800:133... 15133 (EDGECAST)
2 20.26.20.65 8075 (MICROSOFT...)
12 7
Apex Domain
Subdomains
Transfer
4 typekit.net
use.typekit.net — Cisco Umbrella Rank: 600
p.typekit.net — Cisco Umbrella Rank: 783
48 KB
2 azure.com
uksouth-0.in.applicationinsights.azure.com — Cisco Umbrella Rank: 124234
134 B
2 irs.gov
sa.www4.irs.gov — Cisco Umbrella Rank: 51480
www.irs.gov — Cisco Umbrella Rank: 20058
6 KB
2 leeds.ac.uk
mypassword.leeds.ac.uk
50 KB
1 msecnd.net
az416426.vo.msecnd.net — Cisco Umbrella Rank: 2417
22 KB
1 pages.dev
personton.pages.dev
7 KB
12 6
Domain Requested by
3 use.typekit.net personton.pages.dev
use.typekit.net
2 uksouth-0.in.applicationinsights.azure.com az416426.vo.msecnd.net
2 mypassword.leeds.ac.uk personton.pages.dev
1 az416426.vo.msecnd.net personton.pages.dev
1 p.typekit.net use.typekit.net
1 www.irs.gov personton.pages.dev
1 sa.www4.irs.gov personton.pages.dev
1 personton.pages.dev
12 8

This site contains no links.

Subject Issuer Validity Valid
personton.pages.dev
E1
2023-06-22 -
2023-09-20
3 months crt.sh
use.typekit.net
DigiCert TLS Hybrid ECC SHA384 2020 CA1
2022-09-14 -
2023-10-15
a year crt.sh
*.leeds.ac.uk
GEANT OV RSA CA 4
2023-03-20 -
2024-03-19
a year crt.sh
sa.www4.irs.gov
Entrust Certification Authority - L1K
2022-08-10 -
2023-09-09
a year crt.sh
www.irs.gov
Entrust Certification Authority - L1F
2022-10-04 -
2023-11-04
a year crt.sh
*.vo.msecnd.net
DigiCert SHA2 Secure Server CA
2023-05-05 -
2024-04-28
a year crt.sh
prod.ai.ingestion.msftcloudes.com
Microsoft Azure TLS Issuing CA 02
2023-05-24 -
2024-05-18
a year crt.sh

This page contains 1 frames:

Primary Page: https://personton.pages.dev/
Frame ID: E7AAC2D0F4DED901CBF137D25A30D460
Requests: 11 HTTP requests in this frame

Screenshot

Page Title

Internal Revenue Service - IRS.gov: Personal Information

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/modernizr(?:\.([\d.]+))?.*\.js

Overall confidence: 100%
Detected patterns
  • <link [^>]*href="[^"]+use\.typekit\.(?:net|com)

Page Statistics

12
Requests

100 %
HTTPS

71 %
IPv6

6
Domains

8
Subdomains

7
IPs

3
Countries

134 kB
Transfer

431 kB
Size

4
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

12 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
personton.pages.dev/
19 KB
7 KB
Document
General
Full URL
https://personton.pages.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:3121::3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
636839ed0367a71a62c0f4dd8323a89c92f0b97e299711357e6d6aa75384bbe3
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36
accept-language
nl-NL,nl;q=0.9

Response headers

access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=0, must-revalidate
cf-ray
7dc005793a24914a-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Fri, 23 Jun 2023 22:03:30 GMT
etag
W/"8b3c67d5425becbc5af167df591dbe4e"
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
strict-origin-when-cross-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=%2FOOK7Qv5KOJBNHq2gf%2FEcyqalAEzug1HSuKQPSQoNMJxVg8eCGMFvERmt4VYXULFp%2Frjk68Q1IZIfuXYlwtNZpKHc1Dp9QQ2IbvuLEbEsq49kZFOskQ8t57QG1N8iEZ4SHL4bK6ANGpx1xEsNKgr6EIm"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
x-content-type-options
nosniff
xpd0xwa.css
use.typekit.net/
4 KB
1014 B
Stylesheet
General
Full URL
https://use.typekit.net/xpd0xwa.css
Requested by
Host: personton.pages.dev
URL: https://personton.pages.dev/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:3100::1735:28c8 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
nginx /
Resource Hash
ae63eb6386f7e16682b29096920298e460f2aba74eea2f65d43e75abf147cfbf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains;

Request headers

accept-language
nl-NL,nl;q=0.9
Referer
https://personton.pages.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains;
content-encoding
gzip
date
Fri, 23 Jun 2023 22:03:30 GMT
server
nginx
vary
Accept-Encoding
content-type
text/css;charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=600, stale-while-revalidate=604800
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
content-length
791
style.css
mypassword.leeds.ac.uk/assets/css/
249 KB
47 KB
Stylesheet
General
Full URL
https://mypassword.leeds.ac.uk/assets/css/style.css
Requested by
Host: personton.pages.dev
URL: https://personton.pages.dev/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.49.214.253 London, United Kingdom, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
a9c1534ecf64411b5df4f1deb77286c1d587cb98f57d284ffb72b9baa6565b99
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

accept-language
nl-NL,nl;q=0.9
Referer
https://personton.pages.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 23 Jun 2023 22:03:30 GMT
Content-Encoding
gzip
Strict-Transport-Security
max-age=2592000
Last-Modified
Fri, 27 Aug 2021 11:40:41 GMT
Server
Microsoft-IIS/10.0
ETag
"1d79b385cea601e"
X-Powered-By
ASP.NET
Transfer-Encoding
chunked
Vary
Accept-Encoding
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Request-Context
appId=cid-v1:a5dcdfa3-9645-49be-8673-93dce32efe02
modernizr-custom.js
mypassword.leeds.ac.uk/assets/scripts/
7 KB
4 KB
Script
General
Full URL
https://mypassword.leeds.ac.uk/assets/scripts/modernizr-custom.js
Requested by
Host: personton.pages.dev
URL: https://personton.pages.dev/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.49.214.253 London, United Kingdom, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
741e9726ddded92078e5f4f1c994f6fadeb79e0d48f134813ac3c33945852f01
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

accept-language
nl-NL,nl;q=0.9
Referer
https://personton.pages.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

Date
Fri, 23 Jun 2023 22:03:30 GMT
Content-Encoding
gzip
Strict-Transport-Security
max-age=2592000
Last-Modified
Wed, 23 Jun 2021 13:36:50 GMT
Server
Microsoft-IIS/10.0
ETag
"1d76834d1e8df22"
X-Powered-By
ASP.NET
Transfer-Encoding
chunked
Vary
Accept-Encoding
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Request-Context
appId=cid-v1:a5dcdfa3-9645-49be-8673-93dce32efe02
IRS-Logo.svg
sa.www4.irs.gov/secureaccess/ui/resources/img/
7 KB
4 KB
Image
General
Full URL
https://sa.www4.irs.gov/secureaccess/ui/resources/img/IRS-Logo.svg
Requested by
Host: personton.pages.dev
URL: https://personton.pages.dev/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:1401:4000:1a3::1301 Boston, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
f2b3dace42dbb5a1f5718499d86b728a185ef1e8ef0bc638d7a664dd3f962b37
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
nl-NL,nl;q=0.9
Referer
https://personton.pages.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

date
Fri, 23 Jun 2023 22:03:30 GMT
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
last-modified
Tue, 28 Feb 2023 16:48:04 GMT
x-frame-options
SAMEORIGIN
vary
Accept-Encoding
content-type
image/svg+xml
cache-control
max-age=21600
accept-ranges
bytes
content-length
3590
x-xss-protection
1; mode=block
expires
Sat, 24 Jun 2023 04:03:30 GMT
IRS-Logo.svg
www.irs.gov/themes/custom/pup_base/
5 KB
2 KB
Image
General
Full URL
https://www.irs.gov/themes/custom/pup_base/IRS-Logo.svg
Requested by
Host: personton.pages.dev
URL: https://personton.pages.dev/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:1401:4000:1a9::f50 Boston, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
0f43618580dd31a8096effd969ca2af7e26ba8555ab8d732e5b32fe2ef8e8cf6
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
nl-NL,nl;q=0.9
Referer
https://personton.pages.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

expires
Sat, 24 Jun 2023 22:03:30 GMT
date
Fri, 23 Jun 2023 22:03:30 GMT
content-encoding
br
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
x-age
364
x-ah-environment
prod
server-timing
cdn-cache; desc=HIT, edge; dur=1, ak_p; desc="468766_1752983893_223054040_37_19116_97_0_-";dur=1
content-length
1941
x-request-id
v-ffc688bc-ebc3-11ed-b581-eb5c6b1345c7
last-modified
Sat, 10 Jun 2023 02:56:02 GMT
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
cache-control
max-age=86400
accept-ranges
bytes
x-cache-hits
1
p.css
p.typekit.net/
5 B
172 B
Stylesheet
General
Full URL
https://p.typekit.net/p.css?s=1&k=xpd0xwa&ht=tk&f=10954.13458.13460.13470.13474&a=2901748&app=typekit&e=css
Requested by
Host: use.typekit.net
URL: https://use.typekit.net/xpd0xwa.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:3100::1735:28c8 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
nginx /
Resource Hash
1c0ff118a4290c99f39c90abb38703a866e47251b23cca20266c69c812ccafeb

Request headers

accept-language
nl-NL,nl;q=0.9
Referer
https://use.typekit.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

date
Fri, 23 Jun 2023 22:03:30 GMT
last-modified
Fri, 21 Apr 2023 14:15:25 GMT
server
nginx
etag
"64429a7d-5"
content-type
text/css
access-control-allow-origin
*
cache-control
public, max-age=604800
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
content-length
5
l
use.typekit.net/af/442215/000000000000000000010b5a/27/
23 KB
23 KB
Font
General
Full URL
https://use.typekit.net/af/442215/000000000000000000010b5a/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3
Requested by
Host: use.typekit.net
URL: https://use.typekit.net/xpd0xwa.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:3100::1735:28c8 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
nginx /
Resource Hash
8d5da73586712159bb569fbfbd370f05a258113b2591ba238ef4e7bde1db13b7

Request headers

Referer
https://use.typekit.net/xpd0xwa.css
Origin
https://personton.pages.dev
accept-language
nl-NL,nl;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

date
Fri, 23 Jun 2023 22:03:30 GMT
server
nginx
etag
"9523c64514161c03124fab238b18113d17bad9eb"
content-type
application/font-woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
content-length
23800
l
use.typekit.net/af/cef9f3/000000000000000000010b5e/27/
24 KB
24 KB
Font
General
Full URL
https://use.typekit.net/af/cef9f3/000000000000000000010b5e/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n6&v=3
Requested by
Host: use.typekit.net
URL: https://use.typekit.net/xpd0xwa.css
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:3100::1735:28c8 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
nginx /
Resource Hash
c114e8c9146e113cd37fc2b6c8e6b2b99202dbd20791c1e2b457aa82d06dff7d

Request headers

Referer
https://use.typekit.net/xpd0xwa.css
Origin
https://personton.pages.dev
accept-language
nl-NL,nl;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

date
Fri, 23 Jun 2023 22:03:30 GMT
server
nginx
etag
"2cf082c83c603f9c00006fb11a3498c4cf214475"
content-type
application/font-woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
content-length
24232
ai.0.js
az416426.vo.msecnd.net/scripts/a/
94 KB
22 KB
Script
General
Full URL
https://az416426.vo.msecnd.net/scripts/a/ai.0.js
Requested by
Host: personton.pages.dev
URL: https://personton.pages.dev/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2606:2800:133:206e:1315:22a5:2006:24fd , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECAcc (ama/488D) /
Resource Hash
5201c813c37a4168cc5c20c701d4391fd0a55625f97eb9f263a74fb52b52fd0e

Request headers

accept-language
nl-NL,nl;q=0.9
Referer
https://personton.pages.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 23 Jun 2023 22:03:30 GMT
content-encoding
gzip
x-ms-meta-lastmodified
2020-10-01 19:31:04
content-md5
HdY95yzx9wIyQkVEGES+Ew==
age
982
x-cache
HIT
content-length
22495
x-ms-lease-status
unlocked
last-modified
Thu, 11 Mar 2021 07:46:59 GMT
server
ECAcc (ama/488D)
etag
0x8D8E461DA1A5889
vary
Accept-Encoding
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
d614ce47-101e-0007-6f1c-a64985000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=1800
x-ms-version
2009-09-19
expires
Fri, 23 Jun 2023 22:33:30 GMT
track
uksouth-0.in.applicationinsights.azure.com//v2/
0
0
Preflight
General
Full URL
https://uksouth-0.in.applicationinsights.azure.com//v2/track
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.26.20.65 London, United Kingdom, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
Microsoft-HTTPAPI/2.0 /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://personton.pages.dev
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36

Response headers

access-control-allow-headers
Origin,X-Requested-With,Content-Name,Content-Type,Accept,Cache-Control,Sdk-Context
access-control-allow-methods
POST
access-control-allow-origin
*
access-control-max-age
3600
content-length
0
date
Fri, 23 Jun 2023 22:03:30 GMT
server
Microsoft-HTTPAPI/2.0
strict-transport-security
max-age=31536000
x-content-type-options
nosniff
x-request-id
9032a59a-feef-4579-9adc-2c5075f37b71
track
uksouth-0.in.applicationinsights.azure.com//v2/
49 B
134 B
XHR
General
Full URL
https://uksouth-0.in.applicationinsights.azure.com//v2/track
Requested by
Host: az416426.vo.msecnd.net
URL: https://az416426.vo.msecnd.net/scripts/a/ai.0.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
20.26.20.65 London, United Kingdom, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
Microsoft-HTTPAPI/2.0 /
Resource Hash
2f06451e2da9bcec5593f0e5f8be5aaf93a584def5560838666f6ddcc0f90a19
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff

Request headers

Referer
https://personton.pages.dev/
accept-language
nl-NL,nl;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.133 Safari/537.36
Content-type
application/json

Response headers

access-control-allow-origin
*
strict-transport-security
max-age=31536000
date
Fri, 23 Jun 2023 22:03:30 GMT
x-content-type-options
nosniff
server
Microsoft-HTTPAPI/2.0
x-request-id
cb604cac-2a60-41cd-9801-2b1ced0ba73d
content-type
application/json; charset=utf-8

Verdicts & Comments Add Verdict or Comment

Potentially malicious activity detected
Disclaimer: These verdicts should be used to detect potentially malicious websites, not as a final verdict!

urlscan

Phishing against: IRS (Government)

9 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

boolean| credentialless object| onbeforetoggle object| onscrollend object| Modernizr object| appInsights object| AI object| Microsoft function| __extends function| _endsWith

4 Cookies

Domain/Path Name / Value
mypassword.leeds.ac.uk/ Name: ApplicationGatewayAffinityCORS
Value: 5321ecb2953096df137c00c537f5fd42
personton.pages.dev/ Name: ai_user
Value: zioKT|2023-06-23T22:03:30.470Z
.sa.www4.irs.gov/ Name: akaalb_sa_alb
Value: 1687558710~op=ALB_SA_SADI:SA_Origin_DCD_Green|~rv=36~m=SA_Origin_DCD_Green:0|~os=850f67b9c612bad1bf84b6b3a1b0f61e~id=a0dfd7c75a166c460eaa5871c2708c7e
personton.pages.dev/ Name: ai_session
Value: gRw8t|1687557810872|1687557810872

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Content-Type-Options nosniff